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The middle term in the expansioin of (1+...

The middle term in the expansioin of `(1+x)^(2n)` is

A

`.^(2n)c_(n)x^(n)`

B

`.^(2n)c_(n-1)x^(n+1)`

C

`.^(2n)c_(n+1)x^(n-1)`

D

`.^(2n)c_(n-1)x^(n)`

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AAKASH INSTITUTE ENGLISH-BINOMIAL THEOREM-Assignment (section-A)
  1. In expansion of (x+a)^(5), T(2):T(3)=1:3, then x:a is equal to

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  2. If the coefficient of x^(7)in [ax^(2) + (1/bx)]^(11) equals the coeffi...

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  3. The middle term in the expansioin of (1+x)^(2n) is

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  4. Cofficient of x^(12) in the expansion of (1+x^(2))^50(x+1/x)^(-10)

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  5. The number of terms in expansion of (x^(2)+18x+81)^(15) is

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  6. The term independent of x in the expanion of (root(6)(x)-(2)/(root(3)(...

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  7. The middle terms in the expansion of (1+x)^(2n+1) is (are)

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  8. (1.003)^(4) is nearby equal to

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  9. The nubmber of non - zeroes terns in the expansion of (1+sqrt(5))^(6)+...

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  10. The number of non -zeroes terms in the expansion of (sqrt(7)+1)^(75)-(...

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  11. The number of terms in the expansion if (a+b+c)^(12) is

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  12. Two consecutive terms in the expansion of (3+2x)^74 have equal coeffic...

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  13. If the coefficients of rth, (r+ 1)th and (r + 2)th terms in the expa...

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  14. Cofficient of x^(3)y^(10)z^(5) in expansion of (xy+yz+zx)^(6) is

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  15. The ratio of coefficients x^(3) and x^(4) in the expansion of (1+x)^(1...

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  16. Given the integers r gt 1, n gt 2 and coefficients of (3r) th and (r+2...

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  17. Find the coefficient of x^5 in the expansion of (1+x^2)^5(1+x)^4.

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  18. If (r+1)^(th) term in the expasnion of (a^(3)/3-2/a^(2))^(10) contains...

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  19. Find n and x in the expansion of (1 + x)^n, if the fifth term is four ...

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  20. Cofficients of x^(6)y^(3) in the expansion of (x+y)^(9) is

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