[Math] Limit with n as a power

limits

Find the limit when n tends to infinity of the following:
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Best Answer

Outline: Let $1/n=t$. Using your idea, we first want to find the limit as $t$ approaches $0$ from the right of $$\frac{\ln\left(\frac{1+2^t}{2}\right)}{t}.$$ L'Hospital's Rule will work nicely for this.

The limit originally asked for will turn out to be $\sqrt{2}$.

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