tolong kerjakan.....

3. = 6x³/3 + x4/4+c

= 2x³+1/4x4+c

maaf nomer 2 nya kurang tau dan maaf kalo salah..

2. integral 20 + 5x
= 20x + 5/2 x^2 + c

3. integral 6x^2 + x^3
=6/3 x^3 + 1/4 x^4 + c
=2x^3 + 1/4 x^4 + c

semoga membantu