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If alphaa n dbeta are the roots of x^2-a...

If `alphaa n dbeta` are the roots of `x^2-a(x-1)+b=0` then find the value of `1//(alpha^2-aalpha)+1//(beta^2-beta)+2//a+bdot`

A

`(4)/(a+b)`

B

`(1)/(a-b)`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
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