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Find the cube root of 27...

Find the cube root of 27

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
  1. If |x|<1, then find the coefficient of x^n in the expansion of (1+x+x^...

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  2. If |x|>1, then expand (1+x)^(-2)dot

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  3. Find the cube root of 27

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  4. Find the coefficient of x^2 in (a/(a+x))^(1//2)+(a/(a-x))^(1//2)

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  5. Prove that :^(10)C1(x-1)^2-^(10)C2(x-2)^2+^(10)C3(x-3)^2 .....-^(10)C(...

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  6. If the third term in the expansion of (1+x)^mi s-1/8x^2, then find the...

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  7. Prove that sum(r=0)^n r(n-r)(.^nC r)^2=n^2(.^(2n-2)Cn)dot

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  8. Prove that 1-^n C1(1+x)/(1+n x)+^n C2(1+2x)/((1+n x)^2)-^n C3(1+3x)/((...

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  9. Find the coefficient of x^(20) in (x^2+2+1/(x^2))^(-5)(1+x^2)^(40)dot

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  10. The number of terms in the expansion of (a+b+c)^n where ninN is

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  11. Find the coefficient of x^(50) in the expansion of (1+x)^(101)xx(1-x+x...

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  12. Find the coefficient of x^4 in the expansion of (2-x+3x^2)^6dot

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  13. Find the coefficient of x^k in1+(1+x)+(1+x)^2++(1+x)^n(0lt=klt=n)dot

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

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  15. If aa n db are distinct integers, prove that a-b is a factor of a^n-b^...

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  16. Find a, b and n in the expansion of (a+b)^(n) if the first three term...

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  17. Find the coefficient of x^(25) in expansion of expression sum(r=0)^(50...

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  18. If the sum of the coefficients of the first, second, and third terms ...

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  19. If p+q=1, then show that sum(r=0)^nr^2^nCrp^rq^(n-r)=npq+n^2p^2

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  20. If every pair from among the equations x^2+a x+b c=0. x^2+b x+c a=0,a ...

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