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Show that the middle term in the expansi...

Show that the middle term in the expansion `(x-1/x)^(2n)i s` `(1. 3. 5 (2n-1))/n(-2)^n` .

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RD SHARMA ENGLISH-BINOMIAL THEOREM-All Questions
  1. Using binomial theorem, indicate which is larger (1. 1)^(10000)or1000 ...

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  2. Show that 2^(4n+4) -15n-16, where n in N is divisible by 225.

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  3. Show that the middle term in the expansion (x-1/x)^(2n)i s (1. 3. 5 (...

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  4. Find the coefficients of x^(32)a n dx^(-7) in the expansion of (x^4-1/...

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

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  7. Find the coefficient of x^4 in the expansion of (1+x+x^2+x^3)^(11)dot

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  8. The term independent of x in expansion of ((x+1)/(x^(2/3)-x^(1/3)+1)...

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  9. Prove that there is no term involving x^6 in the expansion of (2x^2-3...

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  10. Find the term independent of x in the expansion of (3x^2-1/(2x^3))^(10...

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  11. Find the coefficient of x^(50) after simplifying and collecting the li...

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  12. Find the coefficient of x^n in the expansion of (1+x)(1+x)^ndot

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  15. Find the coefficients of x^7 in (a x^2+1/(b x))^(11)and x^(-7)i n(a...

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  17. If the middle term in the binomial expansion of (1/x+xsinx)^(10) is eq...

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  18. Find the greatest value of the term independent of x in the expansion ...

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  19. If o be the sum of odd terms and E that of even terms in the expansion...

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  20. Using binomial theorem, expand {(x+y)^5+(x-y)^5}dot and hence find the...

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