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If the sum of coefficients in the expans...

If the sum of coefficients in the expansion of `(x-2y+3z)^n` is 128, then find the greatest coefficient in the expansion of `(1+x)^ndot`

A

30

B

40

C

28

D

35

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-BINOMIAL THEOREM-Assignment (section-B)
  1. about to only mathematics

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  2. about to only mathematics

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  3. If the sum of coefficients in the expansion of (x-2y+3z)^n is 128, the...

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  4. If the coefficient of 2nd, 3rd and 4th terms in the expansion of (1...

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  5. sum(r=0)^(n-1) (""^(n)C(r))/(""^(n)C(r) + ""^(n)C(r+1)) is equal to

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  6. Find the numerically grates term in the expansion of 3-5x^(15)w h e nx...

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  7. In the expansion of (y^(1//5)+x^(1//10))^55, the number of terms free ...

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  8. Consider the following statements S(1): The total of terms in (x^(2)...

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

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  10. (C(1))/(C(0))+(2.C(2))/(C(1))+(3.C(3))/(C(2))+ . . .+(20.C(20))/(C(19)...

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  11. Find the term independent of x in the expansion of (1+x+2x^3)[(3x^2//2...

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

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

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

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

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

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

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

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

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