Home
Class 11
MATHS
If 16Cr = 16C(2r+1) then the vaue of r i...

If 16C_r = 16C_(2r+1) then the vaue of r is

A

a)6

B

b)5

C

c)4

D

d)3

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ANNUAL EXAMINATION QUESTION PAPERS 2014

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos

  • ANNUAL EXAMINATION QUESTION PAPERS 2016

    UNITED BOOK HOUSE|Exercise EXERCISE|51 Videos

Similar Questions

Explore conceptually related problems

If 16C_r=^16C_(2r+1) then the value of r will be

If .^(15)C_(r)=^(15)C_(r+1) then the value ofr is -

If ""^(16)C_(r)=""^(16)C_(r+1) then the value of ""^(r)P_(r-3) is

If ^25C_r= ^25C_(2r+1) ,the value of ^rC_5 is

If ""^(43)C_(r-6) =""^(43)C_(3r+1), then the value of r is-

If .^(16)C_(r)=^(16)C_(2r+1) , then which of the following is the value of r ?

If, ^n C_r=84 , and ^n C_(r-1)=36 , and ^n C_(r+1)=126 , then find the value of n and r

If 1/( ^5C_r)+1/( ^6C_r)+1/(~^4C_r) find the value of r.

If (1)/(.^(5)C_(r))+(1)/(.^(6)C_(r))=(1)/(.^(4)C_(r)) , then the value of r equals to

Let Q = sum_(r=0)^(50)(""^(50)C_(r))^(2), R = sum_(r=0)^(100)(-1)^(r) (""^(100)C_(r))^(2) Then find the value of Q + R

UNITED BOOK HOUSE-ANNUAL EXAMINATION QUESTION PAPERS 2015-EXERCISE
  1. If 3sintheta+4costheta=5,then 4sintheta-3costheta=

    Text Solution

    |

  2. If i^2=-1,then sum(n=0)^225i^n is

    Text Solution

    |

  3. If 16Cr = 16C(2r+1) then the vaue of r is

    Text Solution

    |

  4. The coefficient of x^17in the expansion of(x-1)(x-2)(x-3)….(x-18) is

    Text Solution

    |

  5. Find the slope of the lines : Making inclination of 60^(@) with the...

    Text Solution

    |

  6. Find the distance of the point (3, - 5) from the line 3x - 4y - 26 = ...

    Text Solution

    |

  7. lim(xrarr0)(sinalphax)/(e^(betax)-1)(alpha,beta!=0)equals to

    Text Solution

    |

  8. IF f(x)=x|x|,then the value of f'(-1)is

    Text Solution

    |

  9. If y=2x+3,and variance of y is 4,then the standard deviation of x is

    Text Solution

    |

  10. IfP(A)=0.54,P(B)=0.69and P(AcapB)=0.35,then the value of P(A'cupB')is

    Text Solution

    |

  11. Let R be the relation defined on the set N of natural numbers as R ={(...

    Text Solution

    |

  12. If 2f(x)+3f(-x)=2x+1,then find f(x).

    Text Solution

    |

  13. Solve :tanx+tan2x+tan3x=tanxtan2xtan3x,where 0lexle2pi

    Text Solution

    |

  14. In a /\ABC,sin^2A+cos^2C=cos^2Bfind angleC

    Text Solution

    |

  15. Find the principal amplitude of-3-sqrt3i

    Text Solution

    |

  16. If y=x+x^2+x^3+...oowhere|x|<1,prove that x=y/(1+y)

    Text Solution

    |

  17. Show that the middle term in the expansion of (x+1)^(2n) is (1.3.5.......

    Text Solution

    |

  18. The co-ordinates of the focus of the parabola described paraetrically...

    Text Solution

    |

  19. Determine the equation of the straight line through the point (2,3)whi...

    Text Solution

    |

  20. Prove that the derivative of an odd function an ever function .

    Text Solution

    |