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underset(xto0)lim(cosax-cosbx)/(x^(2)) i...

`underset(xto0)lim(cosax-cosbx)/(x^(2))` is equal to

A

`(a^(2)-b^(2))/(2)`

B

`(b^(2)-a^(2))/(2)`

C

`a^(2)-b^(2)`

D

`b^(2)-a^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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