Home
Class 11
MATHS
Find\ x in each of the following: 1/(6!)...

Find`\ x` in each of the following: `1/(6!)+1/(7!)=x/(8!)`

Promotional Banner

Topper's Solved these Questions

  • PARABOLA

    RD SHARMA ENGLISH|Exercise All Questions|86 Videos

  • PROBABILITY

    RD SHARMA ENGLISH|Exercise All Questions|290 Videos

Similar Questions

Explore conceptually related problems

Find \ x in each of the following: 1/(4!)+1/(5!)=x/(6!)

Find \ x in each of the following: x/(10 !)=1/(8!)+1/(9!)

If 1/(6!)+1/(7!)=x/(8!), find x

Find the value of x in each of the following : x : 1.6 : : 2.1 : 8.4

If x inZ^(-) , find the solution set of each of the following inequations : (1)/(3)gt(6)/(7)x+4

Find the value of x in each of the following : 1 . 8 : x : : 2 . 4 : 6 . 0

Find the value of x in each of the following : 6 : 0.8 : : x : 10

Find the domain of each of the following functions: f(x)=(sqrt(cosx-1/2))/(sqrt(6+35x-6x^(2))

If x^2+1/(x^2)=27 , find the value of each of the following: x-1/x

If x^2+1/(x^2)=27 , find the value of each of the following: x+1/x

RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. Find\ x in each of the following: 1/(4!)+1/(5!)=x/(6!)

    Text Solution

    |

  2. Find\ x in each of the following: x/(10 !)=1/(8!)+1/(9!)

    Text Solution

    |

  3. Find\ x in each of the following: 1/(6!)+1/(7!)=x/(8!)

    Text Solution

    |

  4. Convert the following products into factorial: 5. 6. 7. 8. 9. 10

    Text Solution

    |

  5. Convert the following products into factorial: 3.6.9.12.15.18

    Text Solution

    |

  6. Convert the following products into factorial: (n+1)(n+2)(n+3).......(...

    Text Solution

    |

  7. Convert the following products into factorial: 1. 3. 5. 7. 9 (2n-1)

    Text Solution

    |

  8. Which of the following are true: (2+3)!=2!+3!

    Text Solution

    |

  9. Which of the following are true: \ (2xx3)! =2!xx3!

    Text Solution

    |

  10. Prove that: n !(n+2)=n !+(n+1)!

    Text Solution

    |

  11. if(n+2)! =60[(n-1)]!,find n

    Text Solution

    |

  12. If (n+1)! =90[(n-1)!], fin d n

    Text Solution

    |

  13. If (n+3)! =56[(n+1)! ] find n

    Text Solution

    |

  14. Prove that ((2n+1)!)/(n !)=2^n{1. 3. 5 .........(2n-1)(2n+1)}

    Text Solution

    |

  15. There are 3 candidates for a classical, 5 for a Mathematical,, and 4 ...

    Text Solution

    |

  16. The flag of a newly formed forum is in the form of three blocks, each ...

    Text Solution

    |

  17. Find the number of 4 letter words, with or without meaning which can b...

    Text Solution

    |

  18. Given 4 flags of different colours, how many different signals can be ...

    Text Solution

    |

  19. Find the number of different signals that can be generated by arrangin...

    Text Solution

    |

  20. How many words (with or without meaning) of three distinct letters of ...

    Text Solution

    |