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Coefficient of x^3 in expansion (1+x)^n ...

Coefficient of `x^3` in expansion `(1+x)^n` is 20 then `n = 6` .

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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Binomial Theorem (True /False Statement)
  1. ((n),(0))-((n),(1))+((n),(2))-((n),(3))+((n),(4))-((n),(5)).........+(...

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  2. The sum of the coefficients in the expansion of (a+b)^n is 4096. Then...

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  3. Numbers of terms in expansion (2x+3y+4z)^(7) are 8 .

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  4. ............ is the middle term in expansion of (2x+(1)/(2x))^(8).

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  5. Sum of the coefficient in expansion (x+y+z)^n is 3^n .

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  6. Sum of the power of a and b in expansion (a+b)^n is n .

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  7. Difference of (r+1) term from beginning and (r+1) term from last in ex...

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  8. Coefficient of x^3 in expansion (1+x)^n is 20 then n = 6 .

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  9. The coefficient of T(5) and T(19) in expansion (1+x)^n are equal then ...

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  10. ((12),(1))+((12),(3))+((12),(5))+.....+((12),(11))=2^(12).

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  11. ((n),(0))-((n),(1))+((n),(2))-((n),(3))+((n),(4))-((n),(5)).........+(...

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  12. The sum of the coefficients in the expansion of (a+b)^n is 4096. Then...

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  13. Numbers of terms in expansion (2x+3y+4z)^(7) are 8 .

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  14. ............ is the middle term in expansion of (2x+(1)/(2x))^(8).

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  15. Sum of the coefficient in expansion (x+y+z)^n is 3^n .

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  16. Sum of the power of a and b in expansion (a+b)^n is n .

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  17. Difference of (r+1) term from beginning and (r+1) term from last in ex...

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  18. Coefficient of x^3 in expansion (1+x)^n is 20 then n = 6 .

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  19. The coefficient of T(5) and T(19) in expansion (1+x)^n are equal then ...

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  20. ((12),(1))+((12),(3))+((12),(5))+.....+((12),(11))=2^(12).

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