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) = 10

C. f(β) = - 10

D. 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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