Evaluate the following integrals:
Assume xex = t
d(xex) = dt
(ex + xex) dx = dt
ex(1 + x) dx = dt
Substituting t and dt
⇒ 
⇒ 
⇒ - cot t + c
But t = xex + 1
⇒ - cot (xex) + c.
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
