Home
Class 11
MATHS
In the expansion of (2+a)^(50) the 17th ...

In the expansion of `(2+a)^(50)` the 17th and 18th terms are aqual . The value of `a` is :

A

`1//3`

B

`1//2`

C

`1`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
N/a
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL THEOREM

    NAGEEN PRAKASHAN|Exercise Exercise 8F|20 Videos

  • BINOMIAL THEOREM

    NAGEEN PRAKASHAN|Exercise Exericse 8.1|28 Videos

  • BINOMIAL THEOREM

    NAGEEN PRAKASHAN|Exercise Exercise 8D|8 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATION

    NAGEEN PRAKASHAN|Exercise MISCELLANEOUS EXERCISE|20 Videos

Similar Questions

Explore conceptually related problems

In the expansion of (1+x)^(n),7 th and 8th terms are equal.Find the value of (7/x+6)^(2)

If in the expansion of (a-2b)^(n) , the sum of 5^(th) and 6^(th) terms is 0, then th e values of a//b =

In the expansion of (X+y)^(n) , the coefficients of the 17th and the 13th terms equal. Find the numbher of term in the expansion

If in the expansion of (a+b)^(n) the coefficient of 4^(th) and 13^(th) term are equal.Find the value of n

In the expansion of (1+a)^(34) , if the cofficient of (r-5)^(th) and (2r-1)^(th) terms are equal , then find value of r.

In the expansion of (3-sqrt((17)/(4)+3sqrt(2)))^(15) the 11 th term is a

If in the expansion of (1 + x)^(20) , the coefficients of r^(th) and (r +4)^(th) terms are equal, then the value of r,is

NAGEEN PRAKASHAN-BINOMIAL THEOREM-Exercise 8E
  1. No. of terms in the expansion of (1+3x+3x^(2)+x^(3))^(10) is:

    Text Solution

    |

  2. Using (x+1)^6+(x-1)^6evaluate (sqrt(2)+1)^6+(sqrt(2)-1)^6.

    Text Solution

    |

  3. 15th term in the expansion of (sqrt(2)-sqrt(y)^(17) is :

    Text Solution

    |

  4. If the coefficients of the (n+1)^(t h) term and the (n+3)^(t h) term i...

    Text Solution

    |

  5. In the expansion of (2+a)^(50) the 17th and 18th terms are aqual . The...

    Text Solution

    |

  6. Find the coefficient of x^(-25) in the expansion of ((x^(2))/(2)-(3)/(...

    Text Solution

    |

  7. The remainder left out when 8^(2n)""-(62)^(2n+1) is divided by 9 is

    Text Solution

    |

  8. No. of terms in the expansion of (1+2x)^(9) +(1-2x)^(9) is :

    Text Solution

    |

  9. Find the middle term in the expansion of : \ (x-1/x)^(10)

    Text Solution

    |

  10. if the coefficient of (2r+1)th term and (r+2)th term in the expansion...

    Text Solution

    |

  11. Find the middle term in the expansion of : (1+3x+3x^2+x^3)^(2n)

    Text Solution

    |

  12. Show that (sqrt(2)+1)^6+(sqrt(2)-1)^6=198

    Text Solution

    |

  13. 15th term in the expansion of (sqrt(2)-sqrt(y)^(17) is :

    Text Solution

    |

  14. If the coefficients of the (n+1)^(t h) term and the (n+3)^(t h) term i...

    Text Solution

    |

  15. Find a if 17th and 18th terms in the expansion of (2+a)^(50) are eq...

    Text Solution

    |

  16. Find the coefficient of x^(-25) in the expansion of ((x^(2))/(2)-(3)/(...

    Text Solution

    |

  17. The remainder left out when 8^(2n)""(62)^(2n+1) is divided by 9 is (1)...

    Text Solution

    |

  18. No. of terms in the expansion of (1+2x)^(9) +(1-2x)^(9) is :

    Text Solution

    |

  19. Find the middle term in the expansion of : \ (x-1/x)^(10)

    Text Solution

    |

  20. if the coefficient of (2r+1)th term and (r+2)th term in the expansion...

    Text Solution

    |