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ISRO2016-EC Mathematics

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This is the case of 0/0. This can be solved using L'Hospital's rule. Differentiate both numerator and denominator w.r.t. x separately. After differentiation we will get :

limit (x->8) ((1/3)X^(-2/3))
now put the value of x in equation as it is free from 0/0 case. After solving it the answer will be 1/12.
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