20-year-old travel Notes(Chinese Edition)

20-year-old travel Notes(Chinese Edition)

Matematika diketahui f(x)=(x-1)^2, g(x)= x^2+ax-8 dan h(x) x^4-px^2+qx-8. jika h(x)=f(x). g(x) maka nilai a+p+q adalah....

diketahui f(x)=(x-1)^2, g(x)= x^2+ax-8 dan h(x) x^4-px^2+qx-8. jika h(x)=f(x). g(x) maka nilai a+p+q adalah....

x⁴-px²+qx-8=(x-1)²×(x²+ax-8)

x⁴+0x³-px²+qx-8

=x⁴+(a-2)x³-(2a+7)x²+(16+a)x-8

a-2=0

a=2

p=2a+7

p=4+7=11

q=16+a=16+2=18

2+11+18=31