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Coefficient of x in the expansion of ...

Coefficient of `x ` in the expansion of `(x^(2)+(a)/(x))^(5) `

A

`9 a^(2) `

B

`10 a^(3) `

C

`10 a^(2) `

D

`10 a `

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The correct Answer is:
B
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HIMALAYA PUBLICATION-BINOMIAL THEOREM-QUESTION BANK
  1. If the sum of the coefficients in the expansion of (x+y)^n is 1024 ...

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  2. The coefficient of (1)/(x) in the expansion of ((1)/(x)+1)^(n)(1+x)^...

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  3. Coefficient of x in the expansion of (x^(2)+(a)/(x))^(5)

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  4. In the expansion of (x^(2)+(2)/(x))^(n) for positive integer n has a t...

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  5. Let (1+x^(2))^(2)(1+x)^(n) = sum(k=0)^(n+4) a(k) x^(k) . If a(1) , a...

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  6. The value of C(0)+3C(1)+5C(2)+7C(3)+ . . .+(2n+1)C(n) is:

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  7. The largest term in the expansion of (3+2x)^(50) where x=1/5 is:

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  8. The value of ((30),(0))((30),(10))+((30),(1))((30),(11))+((30),(2))(...

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  9. The positive integer just greater than, (1+0.0001)^(10000) is

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  10. In the binomial expansion of (a-b)^(n),nge5, the sum of the 5th and 6t...

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  11. The sum of series: ""^(20)C(0)-""^(20)C(1)+""^(20)C(2)-""^(20)C(3)+ ...

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  12. If the coefficient of x^(7) in the expansion of (ax^(2)+b^(-1)x^(-1))^...

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  13. The remainder left out when 8^(2n)-(62)^(2n+1) is divided by 9 is

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  14. The coefficient of x^(7) in the expansion of (1-x-x^(2)+x^(3))^(6) is:

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  15. The term independent of x in the expression of (1+x+2x^(3))((3)/(2)x^(...

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  16. In the expansion of (x+sqrt(x^(2)-1))^(6)+(x-sqrt(x^(2)-1))^(6) the...

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  17. The coefficient of x^(6) in the expansion of (1+x+x^(2))^(-3) is

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  18. The coefficient of x^(4) in the expansion of ((x)/(2)-(3)/(x^(2)))^(...

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  19. The coefficient of the middle term in the expansion of (1+x)^(2 n) is

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  20. The greatest coefficient in the expansion of (1+x)^(10) is

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