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The coefficient of x^(4) in the expansio...

The coefficient of `x^(4)` in the expansion of `(1+x+x^(2))^(6)` is

A

240

B

735

C

820

D

936

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-MATHEMATICAL INDUCTION AND BINOMIAL THEOREM-SOLVED EXAMPLES ( LEVEL 1 Single Correct Answer Type Questions)
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  3. The coefficient of x^(4) in the expansion of (1+x+x^(2))^(6) is

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  4. Coefficient of x^(17) in the polynomial P(x)=prod(r=0)^(17)(x+""^(35)C...

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  7. Sum of the series sum(k=1)^(oo)sum(r=0)^(k)(2^(2r))/(7^(k))(""^(k)C(r)...

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  8. If the 6th term from the beginning is equal to the 6th term from the e...

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  17. If (1+ x)^(n) = C(0) + C(1) x + C(2)x^(2) + ...+ C(n)x^(n) , prove tha...

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  18. (1 + x)^(n) = C(0) + C(1) x + C(2) x^(2) + C(3) x^(3) + … + C(n) x^(n)...

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  19. If n in N, n > 1, then value of E= a - ""^(n)C(1) (a-1) + ""^(n)C(2) (...

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  20. Suppose ABC is a triangle and n is a natural number, then sum of the s...

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