JEE MATHEMATICS MCQ: LIMITS

1 Easy

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Application +4 | -1

\lim \limits_{{x \rightarrow 2}} \frac{x^{n}-2^{n}}{x-2}=80

, where

n

is a positive integer, then

n=

View answer and explanation

Correct option: B

Option B (5) is correct because solving the limit equation

\lim \limits_{{x \rightarrow 2}} \frac{x^{n}-2^{n}}{x-2}=80

yields

n=5

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