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Let alpha and beta be the distinct roots...

Let `alpha and beta` be the distinct roots of `ax^(2)+bx+c=0," then "underset(x to a)lim (1-cos(ax^(2)+bx+c))/((x-alpha)^(2))`

A

`a^(2)/2(alpha-beta)^(2)`

B

0

C

`-a^(2)/2(alpha-beta)^(2)`

D

`1/2(alpha-beta)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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