Q. 27

Mark the correct alternative in the following:

If and α, β are the roots of Then,

A. f (α) = f (β) = - 9

B. f (α) = f (β) = 63

C. f (α) ≠ f (β)

D. None of these

Answer :



Since, and α, β are its roots,


f(x)=33-12(3)


=27-36


=-9


So, f (α) = f (β) = - 9


Option A is correct..

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