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1+1/3x+(1xx4)/(3xx6)x^2+(1xx4xx7)/(3xx6x...

`1+1/3x+(1xx4)/(3xx6)x^2+(1xx4xx7)/(3xx6xx9)x^3+`------ is equal to

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
  1. sum(k=1)^ook(1-1/n)^(k-1) =?

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  2. The coefficient of x in the expansion of {sqrt(1+x^2)-x}^(-1) in ascen...

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  3. 1+1/3x+(1xx4)/(3xx6)x^2+(1xx4xx7)/(3xx6xx9)x^3+------ is equal to

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  4. The value of sum(r=1)^(15)(r2^r)/((r+2)!) is (a).((17)!-2^16)/((17)!) ...

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  5. (n+2).^(n)C(0)2^(n+1).^(n)C(1)2^(n)+n.^(n)C(2)2^(n -1)-"…." is equal t...

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  6. The value of underset(r=0)overset(20)sum(-1)^(r )(.^(50)C(r))/(r+2) is...

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  7. In the expansion of [(1+x)(1-x)]^(2), the coefficient of x^(n) will be

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  8. If a, b, c are in GP and a, x, b,y, c ar in AP. then prove that, 1...

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  9. Statement 1: ""^m Cr+ ""^m C(r-1)(""^nC1)+ ""^mC(r-2)(""^n C2)+....+ "...

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  10. 1+(1/4)+((1*3)/(4*8))+((1*4*7)/(4*8*12))+....=

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  11. If |x|<1,then 1+n((2x)/(1+x))+(n(n+1))/(2!)((2x)/(1+x))^2+...... is eq...

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  12. If a, b, c are in AP also in GP Then show that, a=b=c

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  13. The sum of the GP (x+y)/(x-y), 1, (x-y)/(x+y),.....

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  14. Statement 1: In the expansion of (1+x)^(41)(1-x+x^2)^(40), the coeffic...

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  15. The coefficient of x^(n) in (1+x+(x^(2))/(2!) + (x^(3))/(3!) +"….." + ...

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  16. Evaluate the following .^3C2

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  17. Evaluate .^5C2

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  18. The value of sum(r=0)^(10)r""^(10)C(r)3^(r)(-2)^(10-r) is (a) 20 (b) 1...

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  19. Find n if n P1=2

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  20. Evaluate .^5P2

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