Question

lim((xcosx-log(1+x))/x^2​

Answer 1

I would suggest you using expansion

log(1+X)=x-(x^2/2!)+(x^3/3!)+...

cosx= 1-(x^3/3)+(x^5/5)-...

using this you shall be getting your answer=(1/2)

Answer 2

Answer:

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