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Ratio of middle term in (px^3 +(q)/(x^2)...

Ratio of middle term in `(px^3 +(q)/(x^2))^15` is

A

`p:qx^2`

B

`px^5 : q`

C

`px^2 :q`

D

`p : qx^5`

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The correct Answer is:
B
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AAKASH SERIES-BINOMIAL THEOREM-EXERCISE - I
  1. Ratio of middle term in (px^3 +(q)/(x^2))^15 is

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  2. The numerically greatest term in the expansion (2x - 3y)^12 when x = 1...

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  3. No. of term in (1 + 5sqrt2x)^9 + (1 - 5sqrt2x)^9 if x > 0 is

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  4. No. of term in (1 + 3x + 3x^2 + x^3)^6 is

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  5. The number of distinct terms in (a + b+ c + d + e)^3 is

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  6. If a and b are respective coefficients of x^m and x^n in the expansion...

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  7. If the coefficient of (3r)^(th) and (r + 2)^(th) terms in the expansio...

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  8. If the coefficients ""^nC4, ""^nC5, ""^nC6 of (1 +x)^n are in A.P. the...

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  9. C0 + 2.C1 + 4.C2 + …….+Cn.2^n = 243 , then n =

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  10. 1/2. ""^nC0 + ""^nC1 + 2. ""^nC2 + 2^2. ""^nC3 + …….+ 2^(n-1) . ""^nCn...

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  11. ""^((2n + 1))C0 + ""^((2n+ 1))C1 + ""^((2n + 1))C2 + ……+""^((2n + 1))C...

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  12. ""^((2n + 1))C0 - ""^((2n+ 1))C1 + ""^((2n + 1))C2 - ……+""^((2n + 1))C...

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  13. ((1 + ""^nC1 + ""^nC2 + ""^nC3+…….+nCn)^2)/(1 + ""^(2n)C1 + ""^(2n)C2 ...

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  14. ""^21C0 + ""^21C1 + ""^21C2 + ……..+ ""^21C10 =

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  15. C0^2 + C1^2 + C2^2 + ………+C25^2 =

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  16. Prove that (""^(2n)C(0))^(2)-(""^(2n)C(1))^(2)+(""^(2n)C(2))-(""^(2n...

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  17. C0C2 + C1C3 +C2C4+……..+C(n-2) Cn =

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  18. If the coefficients of x^2 and x^4 in the expansion of (x^(1/3) + (2)/...

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  19. Sum of the coefficients of (1+ x/3 + (2y)/(3))^12

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  20. Sum of coefficients of x^(2r) , r = 1,2,3…. in (1+x)^n is

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