Question

Yg no 37, Mtk kelas 2 sma

Answer 1

Y = x^3 + x^2 - 2 x dan sb x (y=0)
x^3 + x^2 -2x = 0
x (x ^2 + x- 2)=0
x (x + 2) (x-1) =0
× = 0 x = -2 x = 1
integral - 2 smpai 1 dari x^3 + x^2- 2x
= x^4/4 +x^3/3 -x^2 dari -2 sampai 1
=(1/4 + 1/3 -1 )-( 4- 8/3 -4)
=(-5/12)+ 8/3
= 27/12 satuan