bantu no 4 dan 7 ya teman

4.
Integral -2x^2 dx
= -2/(2+1) x^(2+1) + C
= -2/3 x^3 + C

7.
Integral ^5V7x dx
= Integral (7x)^1/5 dx
= 1/(1/5 +1) (7x)^(1/5 + 1) + C
= 1/(6/5) (7x)^6/5 + C
= 5/6 (7x)^6/5 + C