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f(x) is a polynomial of degree 4 with re...

f(x) is a polynomial of degree 4 with real coefficients such that `f(x)=0` is satisfied by `x=1,2,3` only, then `f'(1).f'(2).f'(3)` is equal to

A

positive

B

negative

C

0

D

inadequate data

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The correct Answer is:
C
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