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Tuesday, November 1, 2016

2016/100) find lim_{ x-> inf} (\frac{x+6}{x+1})^{x+4}

we have lim_{ x-> inf}(\frac{x+6}{x+1})^{x+4}
= lim_{ x-> inf}(1+ \frac{5}{x+1})^{x+4}
= lim_{ x-> inf}(1+ \frac{5}{x+1})^{x+1} (1+ \frac{5}{x+1})^3
= e^5 * 1 = e^5

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