Mencari nilai fungsi dan faktor Pada Maple
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TUGAS 11. Mencari solusi dari (fogogof)(x)
fdx/x3Cx2;
f := x/x3Cx2
gdx/x2K1;
g := x/x2K1
f@ g@ g@f x ;
x3Cx22K1
2
K1
3
C x3Cx22K1
2
K1
2
2. Mencari invers dari fungsi berikut :
restart;
hdx/ 1 / 6Cx C 110 /abs x ;
h := x/1
6CxC
110
x
finv % ;
finv x/1
6CxC
110
x
finvd x/solve h@i x = x, i x ;finv := x/solve h@i x = x, i x
finv x ;
(9)(9)
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i x =1
2 111K6 xC 12321C1308 xC36 x2
x, i x =
1
2
i x =1
2 111K6 xC 12321C1308 xC36 x2
x, i x =
1
2 K109K6 xC 11881K13
x
i x =1
2 K109K6 xC 11881K1
x
i x =1
2 K109K6 xC 11881K1332 xC36 x2
x, i x =K
i x =K1
2 109C6 xC 11881K1
x
i x = i x
3. Memberikan cara dan hasil yang benar pada x, y dan z dari fungsi dibawah ini :
restart;
fd x, y, z / xCyCz = 3;
f := x, y, z /xCyCz = 3
gd x, y, z /4$ xC7$ yC12$ z = 23;g := x, y, z /4 xC7 yC12 z = 23
hd x, y, z /xC10$ zC4$ y = 15;h := x, y, z /xC10 zC4 y = 15
solve xCyCz = 3, 4$ xC7$ yC12$ z = 23, xC10$ zC4$ y = 15 , x, y, z ;x = 1, y = 1, z = 1
4. a.) Mencari nilai akar dari fungsi berikut :
restart;
fdx/ x4C3$ x3C2$ x2C3$ xC1
f := x/x4C3 x3C2 x2C3 xC1
solve f x ;
I, KI, K3
2C
1
2 5 , K
3
2K
1
2 5
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4.b) Mencari nilai f(9) dari fungsi berikut :
restart;
fdx/ log sqrt 100$ x C100$ x99Cln x / 55$ xK10
f := x/log 100 x C100 x99Cln x
55 xK10
f 9 ;1
485 ln 30
C330861305504297506960452395472628718545034087665772127769275353886866956040665418
evalf f 9 ;
6.085085656 1093
5. Mencari fungsi polimon yang masing-masing derajadnya berbeda serta mencari nilai akarnya
restart;a.
adx/2$x4C2$x3C2$x2C 2$x
a := x/2 x4C2 x3C2 x2C2 x
factor a x ;
2 x xC1 x2C1
solve a x ;0, K1, I, KI
b.
bdx/3$x5C3$x4C3$x3C3$x2C3$x2C3$x
b := x/3 x5C3 x4C3 x3C6 x2C3 x
factor b x ;
3 x xC1 x3CxC1
solve b x ;
0, K1, K1
6 108C12 93
1 / 3C
2
108C12 931 / 3
,1
12 108
C12 931 / 3
K1
108C12 931 / 3
C1
2 I 3 K
1
6 108
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C12 931 / 3
K2
108C12 931 / 3
,1
12 108C12 93
1 / 3
K1
108C12 931 / 3
K1
2 I 3 K
1
6 108C12 93
1 / 3
K2
108C12 931 / 3
c.
cdx/4$x6C4$x5C4$x4C4$x3C4$x2C4$x
c := x/4 x6C4 x5C4 x4C4 x3C4 x2C4 x
factor c x ;
4 x xC1 x2CxC1 x2KxC1
solve c x ;
0, K1, K1
2C
1
2 I 3 , K
1
2K
1
2 I 3 ,
1
2C
1
2 I 3 ,
1
2K
1
2 I 3
d.
ddx/2$x6C2$x5C2$x4C2$x3
d := x/2 x6C2 x5C2 x4C2 x3
factor d x ;
2 x3 xC1 x2C1
solve d x ;0, 0, 0, K1, I, KI
e.
edx/5$x4C3$x2Cx
e := x/5 x4C3 x2Cx
factor e x ;
x 5 x3C3 xC1
solve e x ;
0, K1
10 100C60 5
1 / 3C
2
100C60 51 / 3
,1
20 100C60 5
1 / 3
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K1
100C60 51 / 3
C1
2 I 3 K
1
10 100C60 5
1 / 3
K2
100C60 51 / 3
,1
20 100C60 5
1 / 3K
1
100C60 51 / 3
K1
2 I 3 K
1
10 100C60 5
1 / 3K
2
100C60 51 / 3