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The sum of coefficients in integral powe...

The sum of coefficients in integral powers of x in the binominal expansion `(1 - 2 sqrt(x))^(50)` is

A

`(1)/(2) (2^(50) +1)`

B

`(1)/(2) (2^(50) +1)`

C

`(1)/(2) (3^(50))`

D

`(1)/(2) (3^(50) -1)`

Text Solution

Verified by Experts

The correct Answer is:
B
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ARIHANT MATHS-BIONOMIAL THEOREM-Exercise (Questions Asked In Previous 13 Years Exam)
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  10. The coefficient of x^(7) in the expansion of (1-x-x^(2) + x^(3))^(6) i...

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  11. If n is a positive integer, then (sqrt(3)+1)^(2n)-(sqrt(3)-1)^(2n) is ...

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  12. In the expansion of ((x+1)/(x^(2/3)-x^(1/3)+1)-(x-1)/(x-x^(1/2)))^10 ...

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  14. If the coefficients of x^(3) and x^(4) in the expansion of (1 + ax + b...

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  16. The sum of coefficients in integral powers of x in the binominal expan...

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  18. If the number of terms in the expansion of (1-2/x+4/(x^2))^n , x!=0, i...

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  19. Let m be the smallest positive integer such that the coefficient of x^...

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  20. The value of (.^(21)C(1) - .^(10)C(1)) + (.^(21)C(2) - .^(10)C(2)) + (...

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