Question

1.Diketahui f'(x) = 2x
Tentukan f(x) , jika f(4) = 5
2.Hitunglah S 5(3x + 1 )^8 dx
3.Hitunglah S 4x^2 ( 3x^2 - 2 )^5 dx

Answer 1

F'(x) =2x => F(x) =1/2. 2x. x
f(x)= x²+ c
F(4) = 4²+c
5=16+c
C=-11
F(x) = x²-11