Q. 26

# Mark the correct alternative in the following:If f is a real valued function given by and α, β are roots of Then,A. f(α) ≠ f(β)B. f(α) = 10C. f(β) = - 10D. None of these

Answer :

There is a mistake in the question…

Now,

Since, α, β are roots of

So, f(α)=f(β)

=(2)3-9(2)

=8-18

=-10

Option C…

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