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

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

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  2. #2
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    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.
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