ISI2015-DCG-56

Question

$\underset{x \to \infty}{\lim} \left( 1 + \dfrac{1}{x^2} \right) ^x$ equals

• A. $-1$
• B. $0$
• C. $1$
• D. Does not exist

Comments

Is answer $1$??

Answer 1

 

Taking the log on both the sides.

Comments

If $\mathrm x = 1$?

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if we substitute x as 1/y;then as x tends to infinity y will tend to 0. I hope it’s clear.