Jawabanmu

2014-09-09T21:16:23+07:00
Luas = integral (x²-x-6)

= 1/3 x³ -1/2x² -6x  dimana   x=  -1 s/d x= 2

= 1/3(2³)-1/2(2²)- 6(2)  - (1/3(-1³)-1/2(-1²) -6(-1) )

= 8/3 - 2  -12  +  1/3  +1/2 -6

LUAS = 8/3+1/3 - 14 -6 +1/2  = 3-14-6+1/2=-17+1/2 =  - 16 1/2