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Find the coefficient of x^5 in the expan...

Find the coefficient of `x^5` in the expansion of `(x+3)^6` is :

A

18

B

6

C

12

D

None of these.

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MODERN PUBLICATION-BINOMIAL THEOREM-EXERCISE
  1. The coefficient of x^17 in the expansion of : (x-1)(x-2)(x-3) ...... ...

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  2. Let Sp and Sq be the coefficients of x^p and x^q respectively in (1 + ...

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  3. Find the coefficient of x^5 in the expansion of (x+3)^6 is :

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  4. If x=1/3, then the greatest term in the expansion of (1+4x)^8 is the :

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  5. The middle term in the expansion of (1 + x)^(2n) is :

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  6. The term independent of x in (2x-1/(3x))^6 is :

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  7. The coefficient of the term independent of x in (2x-3/x)^6 is :

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  8. The fourth term in the binomial expansion of (x^2-1/x^3)^n is independ...

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  9. In a binomial expansion (1 + x)^n is a positive integer, the coefficie...

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  10. If the three consecutive coefficients in the expansion of (1 + x)^n ar...

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  11. Let (1 + x)^n= C0+C1x+C2x^2+.....+Cn x^n and C1/C0+2 C2/C1+3 C3/C2+......

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  12. In the expansion of (x +a)^n, the sums of the odd and the even terms a...

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  13. The 5th term from the end in the expansion of (x^3/2-2/x)^12 is :

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  14. In the binomial expansion of (a -b)^n, nge5, the sum of the 5th and 6t...

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  15. The value of C (47, 4) + underset (r=1) overset (5) sum (52-r,3) is:

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  16. 7^9+9^7 is divisible by :

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  17. Find the term independent of x in the expansion of : ((x+1)/(x^(2//3)-...

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  18. Product of any r consecutive natural numbers is always divisible by :

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  19. If C0,C1,C2,........, Cn denote the coefficients in the expansion of (...

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  20. A polygon has 44 diagonals. The number of the sides is :

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