8/16/2019 merek IV Tugas 02.doc

1/21

METODE INVERS

A x x = B

Soal

. 2.58 a + 3 b - c + 2d = 2 . . 

. 0 + 1.58 b + 2 c - d = -1

. -a + 0 - 3.58 c - 2 d = -3 . 

.  3 a - b + 3 c - 4.8 d = 5

!"#a$aa% d&a'a# (!$)d&a% %*a'a(a% dala$ b!%')( $a'"&x #bb

. 2.58 3 -1 2 a = 2

. 0 1.58 2 -1 b = -1

.  -1 0 -3.58 -2 c = -3

. 3 -1 3 -4.8 d = 5

. Penyelesaian : 

D!'!"$&%a% ,D

. 2.58 3 -1 2 a11 = 2.58 1.58 2 -1 1.58 2

.  0 1.58 2 -1 0 -3.58 -2 0 -3.58

. -1 0 3.58 -2 -1 3 -4.8 -1 3

. 3 -1 3 -4.8 a11 = 2.58 1.58 x -3.58 x -4.8 + 2 x -2 x -1

+ -1 x 0 x 3 - -1 x -3.58

. x -1 + 3 x -2 x 1.58 + -4.8 x

. 0 x 2

a11 = 2.58 31150/1 - -131

.  a11 = 11404

2.58 3 -1 2 a12 = -3 0 2 -1 0 2

0 1.58 2 -1 -1 -3.58 -2 -1 3.58

-1 0 -3.58 -2 3 3 -4.8 3 3

3 -1 3 -4.8 a12 = -3 0 x -3.58 x -4.8 + 2 x -2 x 3 +

-1 x -1 x 3 - 3 x -3.58 x -1

.  + 3 x -2 x 0 + -4.8 x -1 x 2

8/16/2019 merek IV Tugas 02.doc

2/21

  . a12 = -3 - - 20.3

  a12 = 88.020

2.58 3 -1 2 a13 = -1 0 1.58 -1 0 1.58

.0 1.58 2 -1 -1 0 -2 -1 0

-1 0 -3.58 -2 3 -1 -4.8 3 -1

.3 -1 3 -4.8 a13 = -1 0 x 0 x -4.8 + 1.58 x -2 x 3

. + -1 x -1 x -1 - 3 x 0 x -1

.  + -1 x -2 x 0 + -4.8 x -1 x

.  1.58

.  a13 = -1 -1048 - /

  a13 = 1804 .

2.58 3 -1 2 a14 = -2 0 1.58 2 0 1.58

. 0 1.58 2 -1 -1 0 -3.58 -1 0

-1 0 -3.58 -2 3 -1 3 3 -1

. 3 -1 3 -4.8 a14 = -2 0 x 0 x 3 + 1.58 x -3.58 x 3

.  + 2 x -1 x -1 - 3 x 0 x 2 +

-1 x -3 x 0 + 3 x -1 x 1.58

  a14 = -2 -14 - - 4/

  a14 = 20458

D = a11 + a12 + a13 + a14

  = 11404 + 88020 + 1804 + 20458

  = 2400 

Ado&%' ,Aad2.58 3 -1 2 a11 = + 1 2 -1 1 2

. 0 1.58 2 -1 0 -3.58 -2 0 -3.58

.-1 0 -3.58 -2 -1 3 -4.8 -1 3

. 3 -1 3 -4.8 a11 = + 1 x -3.58 x -4.8 + 2 x -2 x -1

.  + -1 x 0 x 3 - -1 x -3.58 x -1

. + 3 x -2 x 1 + - 4.8 x 0 x 2 

8/16/2019 merek IV Tugas 02.doc

3/21

  a11 = + 31151 - -13.1

  a11 = 44211

2.58 3 -1 2 a12 = - 0 2 -1 0 2

. 0 1.58 2 -1 -1 -3.58 -2 -1 -3.58

-1 0 -3.58 -2 3 3 -4.8 3 3

.3 -1 3 -4.8 a12 = - 0 x -3.58 x -4.8 + 2 x -2 x 3

.  + -1 x -1 x 3 - 3 x -3.58 x -1

  + 3 x -2 x 0 + -4.8 x -1 x 2

  a12 = - - - 203

.  a12 = 2.340

2.58 3 -1 2 a13 = + 0 1.58 -1 0 1.58

.0 1.58 2 -1 -1 0 -2 -1 0

-1 0 -3.58 -2 3 -1 -4.8 3 -1

.3 -1 3 -4.8 a13 = + 0 x 0 x -4.8 + 1.58 x -2 x 3

+ -1 x -1 x -1 - 3 x 0 x -1

. + -1 x -2 x 0 + -4.8 x -1 x 1

  a13 = + -1048 - /

 a13 = -1804

2.58 3 -1 2 a14 = - 0 1.58 2 0 1.58

. 0 1.58 2 -1 -1 0 -3.58 -1 0

-1 0 -3.58 -2 3 -1 3 3 -1

.3 -1 3 -4.8 a14 = - 0 x 0 x 3 + 1.58 x -3.58 x 3

.  + 2 x -1 x -1 - 3 x 0 x 2 +

  -1 x -3.58 x 0 + 3 x -1 x 1.58

8/16/2019 merek IV Tugas 02.doc

4/21

  a14 = - -14 - -4/

  a14 = 1022

2.58 3 -1 2 a21= - 3 -1 2 3 -1

0 1.58 2 -1 0 -3.58 -2 0 -3.58

-1 0 -3.58 -2 -1 3 -4.8 -1 3

3 -1 3 -4.8 a21 = - 3 x -3.58 x -4.8 + -1 x -2 x -1 +

  2 x 0 x 3 - -1 x -3.58 x 2 + 3 x

  -2 x 3 + -4.8 x 0 x -1

. a21 = - 4.552 - -10.8

a21 = -0.32

2.58 3 -1 2 a22 = + 2.58 -1 2 2 -1

. 0 1.58 2 -1 -1 -3.58 -2 -1 -3.58

-1 0 -3.58 -2 3 3 -4.8 3 3

.3 -1 3 -4.8 a22 = + 2.58 x -3.58 x -4.8 + -1 x -2 x 3

  + 2 x -1 x 3 - 3 x -3.58 x 2 +

.  3 x -2 x 2 + -4.8 x -1 x -1

a22 = + 44335 - -41.8

a22 = 805

2.58 3 -1 2 a23 = - 2.58 3 2 2 3

. 0 1.58 2 -1 -1 0 -2 -1 0

.-1 0 -3.58 -2 3 -1 -4.8 3 -1

. 3 -1 3 -4.8 a23 = - 2.58 x 0 x -4.8 + 3 x -2 x 3 +

.  2 x -1 x -1 - 3 x 0 x 2 +

8/16/2019 merek IV Tugas 02.doc

5/21

  -4.8 x -1 x 3

.  a23 = - -1 - 1.

a23 = 3550

2.58 3 -1 2 a24 = + 2.58 3 -1 2 3

. 0 1.58 2 -1 -1 0 -3.58 -1 0

-1 0 -3.58 -2 3 -1 3 3 -1

.3 -1 3 -4.8 a24 = + 2.58 x 0 x 3 + 3 x -3.58 x 3 +

. -1 x -1 x -1 - 3 x 0 x -1 +

. -1 x -3.58 x 2 + 3 x -1 x 3

  a24 = + -33.220 - 0.2

 a24 = -3345

2.58 3 -1 2 a31= + 3 -1 2 3 -1

. 0 1.58 2 -1 1.58 2 -1 1.58 2

-1 0 -3.58 -2 -1 3 -4.8 -1 3

.3 -1 3 -4.8 a31= + 3 x 2 x -4.8 + -1 x -1 x -1 +

. 2 x 1.58 x 3 - -1 x 2 x 2 + 3 x -1

.  x 3 + -4.8 x 1.58 x -1

a31= + -20.320 - -5.4

a31= -14.04

2.58 3 -1 2 a32 = - 2.58 -1 2 2 -1

.0 1.58 2 -1 0 2 -1 0 2

8/16/2019 merek IV Tugas 02.doc

6/21

-1 0 -3.58 -2 3 3 -4.8 3 3

.3 -1 3 -4.8 a32 = - 2.58 x 2 x -4.8 + -1 x -1 x 3 + 2 x

. 0 x 3 - 3 x 2 x 2 + 3 x -1 x 2

+ . . - 4.8 x 0 x -1

a32 = - -21/8 - 4.3

a32 = 2028

2.58 3 -1 2 a33 = + 2.58 3 2 2 3

.0 1.58 2 -1 0 1.58 -1 0 1.58

-1 0 -3.58 -2 3 -1 -4.8 3 -1

.3 -1 3 -4.8 a33 = + 2.58 x 1.58 x -4.8 + 3 x -1 x 3 + 2

.  x 0 x -1 - 3 x 1.58 x 2 + -1 x -1 x

.  2 + -4.8 x 0 x 3

a33 = + -28.5/ - 121

a33 = -40.2/

2.58 3 -1 2 a34 = - 2.58 3 -1 2 3

. 0 1.58 2 -1 0 1.58 2 0 1.58

.-1 0 -3.58 -2 3 -1 3 3 -1

.  3 -1 3 -4.8 a34 = - 2.58 x 1.58 x 3 + 3 x 2 x 3 + -1 x

. 0 x -1 - 3 x 1.58 x -1 + -1 x 2 x 2

. + 3 x 0 x 3

.

. a34 = - 3022 - -

a34 = -4012

8/16/2019 merek IV Tugas 02.doc

7/21

2.58 3 -1 2 a41 = - 3 -1 2 3 -1

0 1.58 2 -1 1.58 2 -1 1.58 2

-1 0 -3.58 -2 0 -3.58 -2 0 -3.58

3 -1 3 -4.8 a41 = - 3 x 2 x -2 + -1 x -1 x 0 + 2 x 1.58

.  x -3.58 - 0 x 2 x 2 + -3.58 x -1 x .

. 3 + -2 x 1.58 x -1

a41 = - -23.313 - 13.

a41 = 3/.213

2.58 3 -1 2 a42 = + 2.58 -1 2 2 -1

0 1.58 2 -1 0 2 -1 0 2

-1 0 -3.58 -2 -1 -3.58 -2 -1 -3.58

3 -1 3 -4.8 a42 = + 2.58 x 2 x -2 + -1 x -1 x -1 + 2 x

. 0 x -3.58 - -1 x 2 x 2 + -3.58 x -1

. x 2 + -2 x 0 x -1

. a42 = + -11.320 - 52

a42 = -1.55

2.58 3 -1 2 a43 = - 2.58 3 2 2 3

0 1.58 2 -1 0 1.58 -1 0 1

-1 0 -3.58 -2 -1 0 -2 -1 0

3 -1 3 -4.8 a43 = - 2.58 x 1.58 x -2 + 3 x -1 x -1 + 2 x

. 0 x 0 - -1 x 1.58 x 2 + 0 x -1 x 2

+ -2 x 0 x 3

a43 = - -5153 - -32

8/16/2019 merek IV Tugas 02.doc

8/21

a43 = 13

2.58 3 -1 2 a44 = + 2.58 3 -1 2 3

0 1.58 2 -1 0 1.58 2 0 1

-1 0 -3.58 -2 -1 0 -3.58 -1 0

3 -1 3 -4.8 a44 = + 2.58 x 1.58 x -3.58 + 3 x 2 x -1

+ . -1 x 0 x 0 - -1 x 1.58 x -1 + 0 x

2 . x 2 + -3.58 x 0 x 3

. a44 = + -20.54 - 1.

 a44 = -22.1/4

D = 44211 2.340 -18084 1022

. -0.32 8.05 35.50 -34.45

. -14.04 2.028 -40.2/ -40.12

. 3/.213 -1.55 1.3 -22.1/4 

Dad = 44211 -0.32 -14.04 3/.213

2.340 8.05 2.028 -1.55

  -18084 35.50 -40.2/ 1.3

  1022 -34.45 -40.12 -22.1/4

 

A -1  = 1 44211 -0.32 -14.04 3/.213

2400 2.340 8.05 2.028 -1.55

  -18084 35.50 -40.2/ 1.3

  1022 -34.45 -40.12 -22.1/4

8/16/2019 merek IV Tugas 02.doc

9/21

 

A-1

  = 0.183/4/32/ -0.2504 -0.01435/ 0.1542//3

  0.121420/ 0.35/82440/ 0.1081/83 -0.08811235

  -0.0/50//0/ 0.14//3453 -0.188510 0.008282418

  0.042514308 -0.1050531 -0.1/83831 -0.021515 

x = A -1  x B

a 0.183/4/32/ -0.2504 -0.01435/ 0.1542//3 2

 b 0.121420/ 0.35/82440/ 0.1081/83 -0.08811235 -1

c -0.0/50//0/ 0.14//3453 -0.188510 0.008282418 -3

d 0.042514308 -0.1050531 -0.1/83831 -0.021515 5 

a 0.183/4/32/ x 2 + -0.2504 x-1 + -0.01435/ x-3 + 0.1542//3 x5

 b 0.121420/ x 2 + 0.35/82440/ x-1 + 0.1081/83 x-3 + -0.08811235x5

c -0.0/50//0/ x 2 + 0.14//3453 x-1 + -0.188510 x-3 + 0.008282418 x5

d 0.042514308 x 2 + -0.1050531 x-1 + -0.1/83831 x-3 + -0.021515x5

.  a = 15//38/5

 b = -0./825232

c = 0.25001308

d = 0.23404

METODE DETERMINAN

. 

.  a&  = D&  

. D 

2.58 a + 3 b - c + 2 d = 2

8/16/2019 merek IV Tugas 02.doc

10/21

. 0 + 1.58 b + 2 c - d = -1

. -a + 0 - 3.58 c - 2 d = -3

.  3 a - b + 3 c - 4.8 d = 5

!"#a$aa% d&a'a# (!$)d&a% %*a'a(a% dala$ b!%')( $a'"&x #bb

2.58 3 -1 2 a 2  

. 0 1.58 2 -1 b = -1

-1 0 -3.58 -2 c -3

.3 -1 3 -4.8 d 5

A = 2.58 3 -1 2

 0 1.58 2 -1

-1 0 -3.58 -2

3 -1 3 -4.8

D!'!"$&%a% Da"& A

D = 2400

. 2 3 -1 2 = 2 1.58 2 -1 1.58 2

-1 1.58 2 -1 0 -3.58 -2 0 -3.58

-3 0 -3.58 -2 -1 3 -4.8 -1 3

. 5 -1 3 -4.8 = 2 1.58 x -3.58 x -4.8 + 2 x -2 x -1 + -1 x 0

. x 3 - -1 x -3.58 x -1 + 3 x -2 x 1.58 +

. -4.8 x 0 x 2

.  = 2 31.151 - -13.1

8/16/2019 merek IV Tugas 02.doc

11/21

 = 84.421

.  = -3 -1 2 -1 -1 2

  -3 -3.58 -2 -3 -3.58

  5 3 -4.8 5 3

= -3 -1 x -3.58 x -4.8 + 2 x -2 x 5 + -1 x

. -3 x 3 - 5 x -3.58 x -1 + 3 x -2 x -1

. + - 4.8 x -3 x 2

.  = -3 -28.184 - 52./

= 242.52

= -1 -1 1.58 -1 -1 1.58

 -3 0 -2 -3 0

  5 -1 -4.8 5 -1

= -1 -1 x 0 x -4.8 + 1.58 x -2 x 5 + -1 x

. -3 x -1 - 5 x 0 x -1 + -1 x -2 x -1

. + -4.8 x -3 x 1.58

= -1 -18.80 - 20.8

  = 3.552

= -2 -1 1.58 2 -1 1.58

  -3 0 -3.58 -3 0

  5 -1 3 5 -1

.  = -2 -1 x 0 x 3 + 1.58 x -3.58 x 5 + 2 x

.  -3 x -1 - 5 x 0 x 2 + -1 x -3.58 x

. -1 + 3 x -3 x 1.58

8/16/2019 merek IV Tugas 02.doc

12/21

. = -2 -22.282 - -1/.8

 = 84

D1 = 84.421 + 242.52 + 3.552 + 84

. = 3/.58

a = D1 3/.58

  D 2400

a = 15//38/5 

2.58 2 -1 2 = 2.58 -1 2 -1 -1 2

. 0 -1 2 -1 -3 -3.58 -2 -3 -3.58

-1 -3 -3.58 -2 5 3 -4.8 5 3

.3 5 3 -4.8 = 2.58 -1 x -3.58 x -4.8 + 2 x -2 x 5

.  + -1 x -3 x 3 - 5 x -3.58 x

. -1 + 3 x -2 x -1 + -4.8 x -3

.  x 2

= 2.58 -28.184 - 52./

= -20881

. = -2 0 2 -1 0 2

-1 -3.58 -2 -1 -3.58

  3 3 -4.8 3 3

= -2 0 x -3.58 x -4.8 + 2 x -2 x 3

.  + -1 x -1 x 3 - 3 x -3.58 x

. -1 + 3 x -2 x 0 + -4.8 x -1

8/16/2019 merek IV Tugas 02.doc

13/21

. x 2   . 

. = -2 - - 20.3

= 58.80

  = -1 0 -1 -1 0 -1

  -1 -3 -2 -1 -3

  3 5 -4.8 3 5

= -1 0 x -3 x -4.8 + -1 x -2 x 3 + -1

. x -1 x 5 - 3 x -3 x -1 + 5 x -2

. x 0 + -4.8 x -1 x -1

. = -1 11 - 4.2

= -.8

= -2 0 -1 2 0 -1

  -1 -3 -3.58 -1 -3

  3 5 3 3 5

= -2 0 x -3 x 3 + -1 x -3.58 x 3 +

. 2 x -1 x 5 - 3 x -3 x 2 +

. 5 x -3.58 x 0 + 3 x -1 x -1

. = -2 0./40 - -15.0

  = -31.480

8/16/2019 merek IV Tugas 02.doc

14/21

D2 = -208.81 + 58.80 + -.8 + -31.480

= -188.281

 b = D2 = -188.281

 D 2400

 b = -0./825232 

2.58 3 2 2 = 2.58 1.58 -1 -1 1 -1

. 0 1.58 -1 -1 0 -3 -2 0 -3

.-1 0 -3 -2 -1 5 -4.8 -1 5

. 3 -1 5 -4.8 = 2.58 1.58 x -3 x -4.8 + -1 x -2 x -1

. + -1 x 0 x 5 - -1 x -3 x -1

. + 5 x -2 x 1 + - 4.8 x 0 x -1

.  = 2.58 20./52 - -18.8

= 102044

= -3 0 -1 -1 0 -1

  -1 -3 -2 -1 -3

  3 5 -4.8 3 5

= -3 0 x -3 x -4.8 + -1 x -2 x 3 +

. -1 x -1 x 5 - 3 x -3 x -1 +

. 5 x -2 x 0 + -4.8 x -1 x -1

  = -3 11 - 4.2

  = -20.4

  = 2 0 1.58 -1 0 1.58

8/16/2019 merek IV Tugas 02.doc

15/21

  -1 0 -2 -1 0

3 -1 -4.8 3 -1

= 2 0 x 0 x -4.8 + 1.58 x -2 x 3

+ . -1 x -1 x -1 - 3 x 0 x -1

+ . -1 x -2 x 0 + -4.8 x -1 x

1.58 . = 2 -10.480 - /.

  = -3.128

  = -2 0 1.58 -1

0 1.58 -1 0

-3 -1 0 3

-1 5 3 -1 = -2 0 x 0

x 5 + 1.58 x -3 x 3 + . -1 x

-1 x -1 - 3 x 0 x -1 + .  -1 x

-3 x 0 + 5 x -1 x 1.58 . = -2 -

15.220 - -/. =

14.40

D3 = 102044 + -20.4 + -3.128 + 14.40

= 0.15

c = D3 = 0.15

  D 2400

c = 0.25001308 

2.58 3 -1 2 = 2.58 1.58 2 -1 1.58 2

8/16/2019 merek IV Tugas 02.doc

16/21

. 0 1.58 2 -1 0 -3.58 -3 0 -3

.-1 0 -3.58 -3 -1 3 5 -1 3

. 3 -1 3 5 = 2.58 1.58 x -3.58 x 5 + 2 x -3 x -1

. + -1 x 0 x 3 - -1 x -3.58 x

. -1 + 3 x -3 x 1.58 + 5 x 0 x

2 = 2.58 -22.282 - -1/.8

 = -11.54

  = -3 0 2 -1 0 2

-1 -3.58 -3 -1 -3.58

3 3 5 3 3

= -3 0 x -3.58 x 5 + 2 x -3 x 3 +

. -1 x -1 x 3 - 3 x -3.58 x -1

.  + 3 x -3 x 0 + 5 x -1 x 2

= -3 -15 - 0./

= 4/.220

  = -1 0 1.58 -1 0 1.58

  -1 0 -3 -1 0

3 -1 5 3 -1

= -1 0 x 0 x 5.0 + 1.58 x -3 x 3 +

.  -1 x -1 x -1 - 3 x 0 x -1 +

.  -1 x -3 x 0 + 5.0 x -1 x 1.58

. = -1 -15.220 - -/.

 = /.320

8/16/2019 merek IV Tugas 02.doc

17/21

  = -2 0 1.58 2 0 1.58

  -1 0 -3.58 -1 0

 3 -1 3 3 -1

= -2 0 x 0 x 3 + 1.58 x -3.58 x 3 +

. 2 x -1 x -1 - 3 x 0 x 2 +

. -1 x -3.58 x 0 + 3 x -1 x 1.58

. = -2 -14. - -4./

= 20.458

D4 = -11.54 + 4/.220 + /.320 + 20.458

= 3.435

d = D4 = 3.435

  D 2400

d = 0.23404

METODE ASS 6ORDAN 

2.58 a + 3 b - c + 2 d = 2. . . . . 71

. 0 + 1.58 b + 2 c - d = -1. . . . . 72

. -a + 0 - 3.58 c - 2 d = -3. . . . . 73

.  3 a - b + 3 c - 4.8 d = 5. . . . . .74

Penyelesaian : 

2.58 3 -1 2 2 1 0 0 0

. 0 1.58 2 -1 -1 0 1 0 0

. -1 0 -3.58 -2 -3 0 0 1 0

8/16/2019 merek IV Tugas 02.doc

18/21

. 3 -1 3 -4.8 5 0 0 0 1

. 1 1.1 -0.4 0./8 0./8 0.3 0 0 0

. 0 1.58 2 -1 -1 0 1 0 0

. 0 1.1 -04 -1.22 -2.2 0.3 0 1 0

. 0 -4.5 4.1 -/.13 -2./ -1.2 0 0 1

. 1 0 -1. 1511 1511 0.3 -0./ 0 0

. 0 1 1.2/ -0.3 -0.3 0 0.3 0 0

. 0 0 -5.4 -0.4 -1.5 0.3 -0./ 1 0

. 0 0 .84 -./ -02 -1.2 2.8 0 1

. 1 0 0 1.8 2.0 0 0 -1 0

. 0 1 0 -0./5 -1 0 0.3 0.12 0

. 0 0 1 0.0 0.2/ -0.0/ 0.135 -0.1/ 0

0 0 0 -10. -2.8 -0.4 1.50 1.808 1

1 0 0 0 a = 15//38/5

0 1 0 0 b = -0./825232

0 0 1 0 c = 0.25001308

0 0 0 1 d = 0.23404

METODE E9IMINASI ASS 

2.58 a + 3 b - c + 2 d = 2

. 0 + 1.58 b + 2 c - d = -1

  .--a + 0 - 3.58 c - 2 d = -3

  .3 a - b + 3 c - 4.8 d = 5

8/16/2019 merek IV Tugas 02.doc

19/21

a b c d =

258 3 -1 2 2 ........ 1

0 158 2 -1 -1 ........ 2

-1 0 -358 -2 -3 ........ 3

3 -1 3 -48 5 ........ 4

158 2 -1 -1 ........ 5

112/0/ -3/5/ -122480 -222480 ........

-44883/2 412/0/ -/125581 2/4418 ........ /

-543484 -048883 -148883 ........ 8

8442/44 -323 -01323 ........

-108510 -28083 ........ 10

-108510 d = -2.8083

d = -2.8083

-108510

= 0.23404

S)b#'&')#& %&la& :d: (! ;!"#a$aa% 8  

-5.43484 c + -0.48883 d = -1.48883

-5.43484 c + -0.48883 x 0.23404 = -1.48883

-5.43484 c + 7 -0.12888/32 = -1.48883

-5.43484 c - 0.12888/32 = -1.48883

-5.43484 c = -1.48883 + 0.12888/32

-5.43484 c = -1.35/

c = -1.35/

-5.43484

  = 0.25001308

8/16/2019 merek IV Tugas 02.doc

20/21

S)b#'&')#& %&la& :c: da% :d: (! ;!"#a$aa% 5  

1.58 b + 2 c - 1 d = -1

1.58 b + 2 7 0.25001308 - 1 7 0.23404 = -1

1.58 b + 7 0.5000381 - 7 0.23404 = -1

1.58 b - 70.5000381 + 70.23404 = -1

1.58 b - -0.2332552 = -1

.  1.58 b = -1 + -0.2332552

1.58 b = -1. 2332552

  b = -1.  2332552

1.58

  = -0./825232

S)b#'&')#& %&la& :b: :c: da% :d: (! ;!"#a$aa% 1 

3 a - 1 b + 3 c + -4.8 d = 5

3 a - 1 7-0./825232 + 370.25001308 + -4.8 70.23404 = 5

3 a - 77-0./825232 + 7 0./5005/24 + 7 -1.2550110 = 5

3 a + 0./825232 - 7 -0./5005/24 - 1.2550110 = 5

3 a - 7 -0.2/083/4 = 5

. a = 15//38/5

8/16/2019 merek IV Tugas 02.doc

21/21