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Find a, if 17th and 18th terms in the ex...

Find a, if 17th and 18th terms in the expansions of `(2+a)^50` are equal.

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PATHFINDER-BINOMIAL THEOREM AND PRINCIPLE OF MATHEMATICAL INDUCTION-QUESTION BANK
  1. Find the middle term in the expansion of (x-1/(2y))^10.

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  2. find the value of (99)^4.

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  3. Find a, if 17th and 18th terms in the expansions of (2+a)^50 are equal...

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  4. If the 3rd term in the expansion of (1/x+x^(log(10)x))^5 is 1000, then...

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  5. Determine the constant term in the expansion of (x^3-1/x^2)^15.

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  6. Find the coefficient of x^20 in the expression of (1+x^2)^40(x^2+2+1/x...

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

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  8. Find the coefficient of x in (1-2x^3+3x^5)(1+x+1/x)^10.

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  9. In the expansion of (1+x)^(m+n), where m & n are +ve integers, prove t...

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

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  11. Find the coefficient of x^5 in the expression of (1+x^2)^5(1+x)^4.

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  12. Which term in the expansion of (1+x)^p(1+1/x)^q is independent of x, w...

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  13. Determine the coefficient of x^4 in the expansion of (1+x+x^2+x^3)^n.

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  14. Determine the x-free term in (sqrtx-sqrtc/sqrtx)^10.

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  15. Show that the sum of the coefficients of all odd terms in the expansio...

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  16. Find the fifth term form the end in the expansion of (sqrtx/3+2/5x)^11...

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  17. Show that the middle term in the expansion of (x+1)^(2n) is (1.3.5.......

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  18. The first three terms in the binomial expansion of (x+y)^n are 1,56 an...

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  19. If n be a positive integer, then by using binomial theorem show that 3...

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

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