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The sum of the coefficient in the expans...

The sum of the coefficient in the expansion of `(1+ax-2x^(2))^(n)` is

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CENGAGE PUBLICATION-BINOMIAL THEOREM-All Questions
  1. In the expansion of (7^(1//3)+11^(1//9))^(6561) ,

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  2. If for z as real or complex, (1+z^2+z^4)^8=C0+C1z^2+C2z^4+...+C(16)z^(...

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  3. The sum of the coefficient in the expansion of (1+ax-2x^(2))^(n) is

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  4. if the 4^(th) term in the expansion of (ax+1)^(n) is 5//2, then

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  5. Number of values of r satisfying the equation ,^69C(3r-1) -^(69)C(r^2)...

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  6. If (4+sqrt(15))^n=I+f,where n is an odd natural number, I is an intege...

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  7. In the expansion of (x+a)^n if the sum of odd terms is P and the sum o...

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  8. If the coefficients of the rth, (r+1)t h ,(r-2)t h terms is the expans...

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  9. The value/value of x in the expression (x+x^(log(10)x))^(5)if the thir...

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  10. Let R=(5 sqrt 5+11)^(2n+1) and f=R-[R] where [] is the greatest intege...

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  11. If |x| lt 1, then the coefficient of x^(n) in expansion of (1+x+x^(2)+...

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  12. The coefficient of x^5in(1+2x+3x^2+)^(-3//2)i s(|x|<1)

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  13. If x is so small that x^3 and higher powers of x may be neglected, the...

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  14. If x is positive, the first negative term in the expansion of (1+x)^(2...

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  15. Value of sum(k=1)^oosum(r=0)^k1/(3^k)(k Cr) is 2/3 b. 4/3 c. 2 d. 1

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  16. If the expansion in powers of x of the function 1/[(1-a x)(1-b x)] is ...

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  17. If f(x)=1-x+x^2-x^3+. . -x^(15)+x^(16)-x^(17) , then the coefficient o...

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  18. The sum of rational in (sqrt2+root(3)(3)+root(6)(5))^10 is equal to

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  19. The value of underset(r=0)overset(10)sum(r).^(20)C(r) is equal to

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  20. If P = (8 + 3sqrt(7))^(n) and f = p - [p] , where [*] denotes the grea...

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