Question

[12(y^+4y²+1)²(y³+2y)dy integration​

Answer 1

Answer:

Hope this would help

Explanation:

u=y4+4y2+1⟹du=(4y3+8y)dy=4(y3+2y)dy

∫12(y4+4y2+1)(y3+2y)dy=3∫udu=23u2+c=23(y4+2y2+1)2+c