JEE MATHEMATICS MCQ: LIMITS

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Analyzing +4 | -1

\lim _{x \rightarrow-1} \frac{x+1}{(17+x)^{1 / 4}-2}=

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Correct option: C

Option C (32) is correct because by substituting

y = (17+x)^{1/4}

, the limit is transformed and evaluated using the formula for the limit of

\frac{x^n - a^n}{x-a}

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\lim \limits_{{x \rightarrow 0}}\left(\frac{1}{x^2}-\operatorname{cosec}^2 x\right)

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