Home
Class 11
MATHS
Find a if 17th and 18th terms in the exp...

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

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

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

Value of a if 17th and 18 th terms in the expansion of (2+a)^(50) are equal is

Find a if the 7 th and 18 th terms of the expansion (2+a)^(50) are equal.

If the 17th and 18th terms in the expansion of (2+a)^(50) are equal , find the value of a.

Find the value of a,if the 17 th and 18 th term is the equation of (2+a)^(50) are equal.

Find n if the coefficients of 4th the 13th terms in the expansion of (a+b)^n are equal.

Find the 7^(th) term in the expansion of (1-2x)^(7)

If the coefficients of (2r+4)th and (r-2)th terms in the expansion of (1+x)^(18) are equal.Find r?

If coefficients of r th and (r + 1)th term in the expansion of (3 + 2x)^(74) are equal, then r is equal to:

If the coefficent of (r-5)th and (2r-1)th terms in the expansion of (1+x)^(34) are equal , find the value of r.

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

    |