∫_2^4▒〖(x^2+x-2) dx=〗

2^4 itu maksudnya batas integral ya dari 2 sampai 4?
Int (x^2 + x - 2) dx
= 1/3 x^3 + 1/2 x^2 - 2x | batas 2 sampai 4
= (1/3 . 4^3 + 1/2 . 4^2 - 2(4)) - (1/3 . 2^3 + 1/2 . 2^2 - 2(2))
= (64/3 + 8 - 8) - (8/3 + 2 - 4)
= 56/3 + 2
= 62/3
= 20 2/3