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The coefficient of x^8 in (3x^2+(5)/(x^3...

The coefficient of `x^8` in `(3x^2+(5)/(x^3))^9` is

A

`""^9 C_2 3^7 5^2`

B

`""^9 C_2 4^5 5^2`

C

`""^7 C_2 4^7 5^2`

D

`""^8 C_2 3^7 4^2`

Text Solution

Verified by Experts

The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-BINOMIAL THEOREM-EXERCISE 1A (BINOMIAL THEOREM WITH INTEGRAL INDEX)
  1. The first three terms in the expansion of (1+x+x^2)^10 are

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  2. The coefficient of the 8th term in the expansion of (1+x)^10 is

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  3. The coefficient of x^8 in (3x^2+(5)/(x^3))^9 is

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  4. The coefficient of x in (x^2 +(c )/(x))^5 is

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  5. The coefficient of x^4 in ((x)/(2)-(3 )/(x^2))^10 is

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  6. The coefficient of x^3 in (sqrt(x^5)+(3)/(sqrt(x^3)))^6 is

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  7. If x^r occurs in the expansion (x+1//x^2)^(2n), then its coeff. Is

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  8. The coefficient of x^5 in (1+x^2)^5 (1+x)^4 is

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  9. The coefficient of x^24 in the expansion of (1+x^2)^(12) (1+x^12)(1+x^...

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  10. The coefficient of x^(-n) in (1+x)^n (1+(1)/(x))^n is

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  11. The coefficient of x^n in expansion of (1+x) (1-x)^n is

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  12. The coefficient of a^(-6) b^4 in the expansion of ((1)/(a)-(2b)/(3))^1...

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  13. The coefficient of x^2 y^3 z^4 in (ax-by+cz)^9 is

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  14. In the expansion of (2x+y+3z)^10 , the coefficient of x^2 y^5 z^3 is

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  15. The coefficient of x^5 in (2-x +3x^2)^6 is

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  16. The coefficient of x^4 in (1+x+x^2+x^3)^11 is

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  17. Find the coefficient of x^(7) in the expansion of (1-x-x^(2)+x^(3))^(6...

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  18. The coefficient of x^4 in the expansion of (1-x+x^2-x^3)^4. Is

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  19. The coefficient of x^53 in sum(r = 0)^(100) ""^100Cr (x - 3)^(100 - r)...

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  20. Which term of (ax+b//x)^14 is independent of x?

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