Flag Differential Calculus> limits...
question mark

find:

lim (xcosx-log(1+x))/x2

x→0

tejas sanjay akole , 16 Years ago
Grade 12
anser 1 Answers
Vanya Saxena

On putting the limits we find the function to be in an indeterminate form.

Thus on applying L hospital's rule we get

x->0lim [cosx-xsinx-(1/1+x)]/2x

Then on differentiating again we get

limx->0[-sinx-sinx-xcosx+(1/1+x)2]/2

on putting the limits we get the answer as  1/2

 

 

 

Last Activity: 16 Years ago
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