If is equal to

(A) 4

(B) –8

(C) –4

(D) 8

## Solution:

Tip for solving this question:

Simplify the limit

Find value of

## Step 1 of 3:

Given,

On rationalisation, we get

## Step 2 of 3:

In

Here,

Now,

Here,

## Step 3 of 3:

Now,

## Final Answer:

Hence, Option (C) is correct.

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