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The sum of the coefficients in the expan...

The sum of the coefficients in the expansion of `(1 +x-3x^(2))^(4321)` is

A

0

B

1

C

`-1`

D

`2^(4320)`

Text Solution

Verified by Experts

The correct Answer is:
C
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MCGROW HILL PUBLICATION-MATHEMATICAL INDUCTION AND BINOMIAL THEOREM-EXERCISE (LEVEL 1 Single Correct Answer Type Questions)
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  9. Find the coefficient of x^(7) in the expansion of (ax^(2) + (1)/(bx...

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  12. In the binomial expansion (a-b)^n, nge5 the sum of 5th and 6th terms i...

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  14. C1/C0+2C2/C1+3C3/C2+............+nCn/C(n-1)=(n(n+1))/2

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  15. If (1 + x)^(n) = sum(r=0)^(n) C(r) x^(r),(1 + (C(1))/(C(0))) (1 + (C(...

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  16. lf C(r)=""^(n)C(r), then C(0)-1/3C(1)+1/5C(2)…… upto (n+1) terms equal

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  17. Let (1+x^2)^2*(1+x)^n=sum(k=0)^(n+4)ak*x^k If a1, a2 and a3 are iun ...

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  18. Find the sum sum(j=0)^n(^(4n+1)Cj+^(4n+1)C(2n-j)) .

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  19. The coefficient of X^24in the expansion of (1+X^2 )^12(1+X^12)(1+X^24)

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  20. Third term in expression of (x + x^(log(10)x))^(5) is 10^(6) than poss...

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