Home
Class 11
MATHS
The value of where ^nCr is...

The value of where `^nC_r` is

A

`((30),(10))`

B

`((30),(15))`

C

`((60),(30))`

D

`((31),(10))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS

    PATHFINDER|Exercise QUESTION BANK |266 Videos

  • BINOMIAL THEOREM AND PRINCIPLE OF MATHEMATICAL INDUCTION

    PATHFINDER|Exercise QUESTION BANK|68 Videos

Similar Questions

Explore conceptually related problems

The value of nC_0. ^nC_n +^nC_1 . ^nC_(n-1)++……..+^nC_n . ^nC_0

The value of ,^nC_0 + ^(n+1)C_1 +^(n+2)C_2+……+^(n+k)C_k is equal to

The value of an angle is D in degree and R in radian. Find the value of D/R .

Find the value of n ^ 2nC_4: ^nC_3=35:2

Compensation point is the value of a factor where there is

Where the value of angle of Dip is Maximum?

The value of sum_(r=1)^n (^nP_r)/(r!) is

Where on the surface of the earth , the value of angle of dip is zero ?

Where on the earth's surface , the value of angle of dip is 90^(@) ?

If .^(15)P_(r)=2730 , then the value of r will be -

PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
  1. The greatest term (numerically) in the expansion of (3-5x)^11 when x=1...

    Text Solution

    |

  2. Which of the following expression is divisible by 1225?

    Text Solution

    |

  3. The value of where ^nCr is

    Text Solution

    |

  4. If the sum of odd numbered terms and the sum of even numbered terms in...

    Text Solution

    |

  5. If P(n)=2+4+6+…..+2n ninN then P(k) =k(k+1) implies P(k+1)=(k+1)(k+2) ...

    Text Solution

    |

  6. The value of the natural numbers n such that the inequality 2^ngt2n+1 ...

    Text Solution

    |

  7. When P is a natural number then p^(n+1)+(p+1)^(2n-1) is divisible by

    Text Solution

    |

  8. Let P(n) denote the statement that n^2+n is odd. It is seen that P(n) ...

    Text Solution

    |

  9. For a positive integer n let a(n)=1+1/2+1/3+1/4+….+1/((2^n)-1) Then

    Text Solution

    |

  10. Let S(k) =1+3+5+……+(2k-1)=3+k^2 Then which of the following is true:

    Text Solution

    |

  11. Statement-1 for every natural number nge2 1/sqrt1 +1/sqrt2 +…..+1/sqrt...

    Text Solution

    |

  12. (1+x)^n-nx-1 is divisible by (where n in N)

    Text Solution

    |

  13. Statement-1 : 11^(25) +12^(25) when divided by 23 leaves the remainder...

    Text Solution

    |

  14. The coefficient of x^(53) in the expansion of sum(m=0)^(100) ^100Cm(x-...

    Text Solution

    |

  15. The coefficient of y in the expansion of (y^2+(c/y))^5 is

    Text Solution

    |

  16. The term independent of x in (x^2-(1/x))^9 is

    Text Solution

    |

  17. The coefficients of x^p and x^q in the expansion of (1+x)^(p+q) are

    Text Solution

    |

  18. If x^m occurs in the expansion of (x+(1/x^2))^(2n) then the coefficien...

    Text Solution

    |

  19. Sum of the series 2C0+C1/2 2^2 +C2/3 2^3+………+Cn/(n+1) 2^(n+1)

    Text Solution

    |

  20. The value of nC0. ^nCn +^nC1 . ^nC(n-1)++……..+^nCn . ^nC0

    Text Solution

    |