Home
Class 11
MATHS
If "^(2n+1)P(n-1):^(2n-1)Pn=3:5, then fi...

If `"^(2n+1)P_(n-1):^(2n-1)P_n=3:5,` then find the value of `n`.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • LOGARITHM

    CENGAGE ENGLISH|Exercise All Questions|173 Videos
  • PROBABILITY

    CENGAGE ENGLISH|Exercise All Questions|1 Videos

Similar Questions

Explore conceptually related problems

find the value of P(n,n-1)

If 2n+1P(n-1) : (2n-1)Pn =3:5,find n

If ""^(2n-1)P_(n): ""^(2n+1)P_(n-1)=22:7 , find n.

If .^(n)P_(4): .^(n)P_(5) = 1:2 , find the value of n.

if .^(2n+1)P_(n-1):^(2n-1)P_(n)=7:10 , then .^(n)P_(3) equals

If .^(n)P_(5)=20 .^(n)P_(3) , find the value of n.

Find n if : ""^(2n+1) P_(n-1) : ""^(2n-1) P_n = 3: 5

If 25^(n-1) + 100 = 5^ (2n-1) , find the value of n :

If "^(n+5)P_(n+1) = (11(n-1))/2"^(n+3)P_n , find ndot

If p^(2)-p+1=0 , then the value of p^(3n) can be

CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
  1. Find the number of ways in which 8 different flowered can be strung to...

    Text Solution

    |

  2. Ten IIT and 2 DCE students sit in a row. The number of ways in whic...

    Text Solution

    |

  3. If "^(2n+1)P(n-1):^(2n-1)Pn=3:5, then find the value of n.

    Text Solution

    |

  4. A team of four students is to be selected from a total of 12 studen...

    Text Solution

    |

  5. If "^9P5+5*^9P4=^(10)Pr , find the value of r.

    Text Solution

    |

  6. There were two women participating in a chess tournament. Every par...

    Text Solution

    |

  7. Seven athletes are participating in a race. In how many ways can the ...

    Text Solution

    |

  8. Two teams are to play a series of five matches between them. A matc...

    Text Solution

    |

  9. Prove that if rlt=slt=n ,t h e n^n Ps is divisible by ^n Pr .

    Text Solution

    |

  10. The number of even divisor of the number N=12600=2^3 3^2 5^2 7 is a. ...

    Text Solution

    |

  11. Find the number of zeros at the end of 130!.

    Text Solution

    |

  12. A candidate is required to answer 6 out of 10 questions, which are ...

    Text Solution

    |

  13. Find the exponent of 3 in 100!

    Text Solution

    |

  14. Number of ways in which two persons A and B select objects from two ...

    Text Solution

    |

  15. If "^10 Pr=5040 , find the value of r.

    Text Solution

    |

  16. Statement 1: Number of ways of selecting 10 objects from 42 objects...

    Text Solution

    |

  17. Find the number of zeros at the end in product 5^6 .6^7 .7^8 .8^9 .9^(...

    Text Solution

    |

  18. Statement 1: Number of ways in which Indian team (11 players) can b...

    Text Solution

    |

  19. In how any different ways can a set A of 3n elements be partitioned in...

    Text Solution

    |

  20. Statement 1: When number of ways of arranging 21 objects of which r...

    Text Solution

    |