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Find the middle terms are in the expansi...

Find the middle terms are in the expansion of ` (2x+3y)^7 `

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The correct Answer is:
`T_4 = ""^7C_3.2^4.3^4x^4y^3, T_5 = ""^7C_4.2^3.3^4x^3y^4`
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AAKASH SERIES-BINOMIAL THEOREM-EXERCISE - 3.1 (VERY SHORT ANSWER QUESTIONS)
  1. Find the independent of x in ((3)/(root(3)(x)) + 5 sqrtx)^25

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  2. Find the independent of x in (4x^3 + (7)/(x^2))^14

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  3. Find the term independent of x in the expansion of ((2x^(2))/(5)+(15...

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  4. Find the independent of x in (3x^2 + (5)/(x^3) )^12

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  5. Find the independent of x in (2x^2 - 3/x)^9

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  6. Find the independent of x in ((sqrtx)/(3) - (4)/(xsqrtx))^12

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  7. Prove that : Find the term independent of x (that is the constant ter...

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  8. Find the term independent of x in (1+3x)^(n)(1+(1)/(3x))^(n).

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  9. Find the middle term (s) in the expansion of ((3x)/(7) - 2y)^10

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  10. Find the middle term (s) in the expansion of (4x^2 + 5x^3)^17

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  11. Find the middle term (s) in the expansion of ((3)/(p^3) + 5p^4)^20

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  12. Find the middle term (s) in the expansion of (3x^2 + (5)/(x^3))^12

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  13. Find the middle terms are in the expansion of (2x+3y)^7

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  14. If the k^(th) term is the middle term in (x^2 - (1)/(2x))^20 find Tk a...

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  15. Find the largest binomial coefficients in the expansion of (1+x)^19

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  16. Find the largest binomial coefficients in the expansion of (1 + x)^24

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  17. If ""^(22)C(r) is the largest binomial coefficient in the expansion of...

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  18. Find the number of irrational terms in the expansion of (5^(1//6)+2^(1...

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  19. Find the sum of last 20 coefficients in the expansions of (1+x)^(39).

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  20. If A and B are coefficients of x^(n) in the expansion of (1+x)^(2n) an...

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