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the value of x , for which the 6th term ...

the value of `x` , for which the 6th term in the expansions of`[2^log_2sqrt(9^((x-1)+7))+1/(2^(1/5)(log)_2(3^(r-1)+1))]i s84` , is equal to a. 4 b. 3 c. `2` d. `1`

A

4 or 3

B

3 or 1

C

2 or 1

D

1

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C
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the value of x , for which the 6th term in the expansions of [2^(log_2) (sqrt(9^((x-1)+7)))+1/(2^(1/5)(log)_2(3^(x-1)+1))]^7i s84 , is equal to a. 4 b. 3 c. 2 d. 1

The value of x for which the sixth term in the expansion of [2^(log)2sqrt(9^(x-1)+7)+1/(2^(1/5)(log)_2(3^((x-1)+1)))]^7 is 84 is a. 4 b. 1or2 c. 0or1 d. 3

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AAKASH INSTITUTE ENGLISH-BINOMIAL THEOREM-Assignment (section-B)
  1. Find the term independent of x in the expansion of (1+x+2x^3)[(3x^2//2...

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  2. If in the expansion of (1 +x)^(m) (1 - x)^(n) , the coefficients ...

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  3. the value of x , for which the 6th term in the expansions of[2^log2sqr...

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  4. If (1-x^(3))^(n)=underset(r=0)overset(n)(sum)a(r)x^(r)(1-x)^(3n-2r), t...

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  5. Let (1+x^2)^2(1+x)^n=sum(k=0)^(n+4)ak x^k. If a1, a2 and a3 are in ari...

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  6. The coefficient of x^1007 in the expansion (1+x)^(2006)+x(1+x)^(2005)+...

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  7. underset(r=0)overset(n)(sum)(-1)^(r).^(n)C(r)[(1)/(2^(r))+(3^(r))/(2^(...

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  8. In the expansion of (x +a)^(n) the sum of even terms is E and that ...

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  9. The sum of the last eight coefficients in the expansion of (1 + x)^16 ...

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  10. The coefficient fo x^(3) y^(4) x^(5) in the expansion of (xy + yz +...

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  11. In the expansion of (3x+2y-z)^(8), the coefficients of x^(2)y^(3)z^(3)...

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  12. If n is ann integer greater than 1, then a-^(n)C(1)(a-1)+.^(n)C(2)(a...

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  13. (C(0))/(1)+(C(1))/(2)+(C(2))/(3)+ . . . .+(C(100))/(101) equals

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  14. 2C0+2^2/2 C1+2^3/3 C2+.............+2^11/11 C10 =?

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  15. The coefficient of x^(n) in the polynomial (x+""^(2n+1)C(0))(X+""^(2n+...

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  16. If C(r) stands for .^(n)C(r)=(n!)/(r!n-r!) and underset(r=1)overset(n)...

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  17. If a(n) = sum(r=0)^(n) (1)/(""^(n)C(r)) , find the value of sum(...

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  18. If x + y = 1, prove that underset(r=0)overset(n)sum r.^(n)C(r) x^(r ) ...

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  19. underset(r=1)overset(n)(sum)r(.^(n)C(r)-.^(n)C(r-1)) is equal to

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  20. The expression ""^(n)C(r)+4.""^(n)C(r-1)+6.""^(n)C(r-2)+4.""^(n)C(r-...

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