Q. 27

# Mark the correct alternative in the following:If and α, β are the roots of Then,A. f (α) = f (β) = - 9B. f (α) = f (β) = 63C. f (α) ≠ f (β)D. None of these

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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