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If`alpha,beta` be the roots of `x^2-a(x-1)+b`=0,then the value of `1/(alpha^2-aalpha)+1/(beta^2-abeta)+2/(a+b)` is

A

4/a+b

B

1/a+b

C

0

D

-1

Text Solution

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The correct Answer is:
C
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PATHFINDER-QUADRATIC EQUATION AND EXPRESSION-QUESTION BANK
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