Provide an Appropriate Response $u=x+e$ To Find $(x+e)^{n} d x$ , Then Which Would Be the Correct Substitution?
I

Provide an appropriate response.
-If we decide to use $u=x+e$ to find $(x+e) ^{n} d x$ , then which would be the correct substitution?
i. $\int u^{n}+1 d u$
ii. $\int u^{n} d x$
iii. $\int u^{n} d u$

A) ii is correct.
B) $i$ is correct.
C) iii is correct.
D) None of these is correct.