2 integral -1 (2xpangkat2 - x +3

-1 ∫ ² 2x²-x+3 dx
2/3(x³)-1/2x²+3x |-1 sampai 2|
[2/3(2³)-1/2(2²)+3(2)]-[2/3(-1³)-1/2(-1²)+3(-1)]
[16/3-2+6]-[-2/3-1/2-3]
16/3+2/3+4+1/2+3
18/3+7+1/2
6+7+1/2
13+1/2 = 27/2