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Does the expansion of (2x^2-1/x)^(20) co...

Does the expansion of `(2x^2-1/x)^(20)` contain any term involving `x^9?`

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RD SHARMA ENGLISH-BINOMIAL THEOREM-All Questions
  1. Find the coefficient of a^5b^7""in""(a-2b)^(12)

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  2. Find the coefficient of x in the expansion of (1-3x+7x^2)(1-x)^(16).

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  3. Does the expansion of (2x^2-1/x)^(20) contain any term involving x^9?

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  4. Show that the expansion of (x^2+1/x)^12 does not contain any term invo...

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  5. Find the middle term in the expansion of ((2x)/3-3/(2x))^(20)

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  6. Find the middle term in the expansion of : (x^2-2/x)^(10)

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  7. Find the middle term in the expansion of : (a/x+\ b x)^(12)

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  8. Find the middle term in the expansion of : (x/a-a/x)^(10)

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  9. Find the middle term in the expansionansion of (3x-x^3/6)^9.

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  10. Find the middle term in the expansion of : \ (3x-2/(x^2))^(15)

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  11. Find the middle term in the expansion of (2x^2-1/x)^7

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  12. Find the middle term in the expansion of : (x^4-1/(x^3))^(11)

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  13. Find the middle term in the expansion of : \ (x-1/x)^(10)

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  14. Find the middle term in the expansion of : (1+3x+3x^2+x^3)^(2n)

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  15. Find the middle term in the expansion of : (1-2x+x^2)^n

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  16. Find the middle term in the expansion of : (2x-(x^2)/4)^9

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  17. The middle term of (x-1/x)^(2n+1) is

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  18. Find the middle terms in the expansion (3x-(x^3)/6)^7 .

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  19. Find the middle term in the expansion of : (p/x+x/p)^9

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  20. Find the middle term in the expansion of :\ (x/3+9y)^(10)

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