# Math Help - please help me... exam is coming...i can't figure out these problems...

1. ## please help me... exam is coming...i can't figure out these problems...

2. All one has to do is note that:
$0 \le x \le 1\quad \Rightarrow \quad 0 \le x^n \le 1\quad \& \quad 1 \le \sqrt {1 + x} \le \sqrt 2.$

Apply integral inequalities.