Answer:
+ sinx + c
Step-by-step explanation:
using the power rule
∫(a) = and ∫cosx = sinx
∫(5x³ + 2cosx )dx
= + 2sinx + c ( c is the constant of integration )
x=6
2(3x+4)=5x+3x-4
combine all like terms and distribute
6x+8=8x-4
-8 -8
6x= 8x-12
-8x -8x
-2x= -12
x= 6
5/12 is greater