Q. 184.6( 5 Votes )

Evaluate the foll

Answer :

Since the form is indeterminant

Method 1: factorization

Since a3 + b3 = (a + b)(a2 + b2-ab) & a2-b2 = (a + b)(a-b)

= 2

Method 2: By L hospital rule:

Differentiating numerator and denominator separately:

= 2

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