Q. 34.6( 5 Votes )

Evaluate the following limits:

Answer :

Since the form is indeterminant

Method 1: factorization

Since a2-b2 = (a + b)(a-b)


= 32 + 32

= 18

Method 2:

By L hospital rule:

Differentiating numerator and denominator separately:

= 54

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