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Question

limxx55x=

A
0
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Solution

The correct option is A 0
limxx55x=limxx5exlog5
limxx51+mx+m2x22!+. where m=log5
limx11x5+mx4+m22x3+m36x2+m424x+m5120+m6x720+
=1=0

Alternate solution:
Applying L hosptal rule 5 times, we observe that the numerator will have a constant term, but the denominator will have exponential term. So, limit=0

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