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If Rolle's theorem holds for the functio...

If Rolle's theorem holds for the function `f(x) =x^(3) + bx^(2) +ax -6` for `x in [1,3]`, then a+4b=

A

(a) 13

B

(b) `-26`

C

(c) `-13`

D

(d) 26

Text Solution

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The correct Answer is:
C
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