JEE MATHEMATICS MCQ: LIMITS

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Understanding +4 | -1

Let

f(x)=\cos [x]

where

[x]

is the integral part of

x

. Then

View answer and explanation

Correct option: B

\lim _{x \rightarrow 0+0} f(x)=1

Option B is correct because as x approaches 0 from the right, [x] = 0, so cos([x]) = cos(0) = 1.

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