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Sum of all the digits of the coefficient...

Sum of all the digits of the coefficient of `x^(5)` in the expansion of `(1+x^(2))^(5)(1+x)^(4)` is

A

30

B

40

C

50

D

60

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Verified by Experts

The correct Answer is:
D
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MCGROW HILL PUBLICATION-MATHEMATICAL INDUCTION AND BINOMIAL THEOREM-EXERCISE (LEVEL 1 Single Correct Answer Type Questions)
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