Home
Class 11
MATHS
If (1)/(6!)+(1)/(7!)=(x)/(8!), find x...

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

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 4

    OSWAAL PUBLICATION|Exercise EXERCISE|54 Videos

  • SAMPLE PAPER 6

    OSWAAL PUBLICATION|Exercise EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

If (1)/(8!)+(1)/(9!)=(x)/(10!) , find x.

If ((x+1)/2,7)=(6,7) .find x.

Find the roots of the following equations: (ii) (1)/(x+4)-(1)/(x-7)=(11)/(30), x != 4, 7

Find the roots of the following quadratic equations (1)/(x+4) - (1)/( x- 7 ) = (11)/(30 ) , x ne -4,7

On comparing the ratios a_(1)/a_(2), b_(1)/b_(2)" and "c_(1)/c_(2) , find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel, or coincide. 5x-4y+8=0 ; 7x+6y-9=0

Find the shortest distance between the lines. (x+1)/7=(y+1)/(-6)=(z+1)/1 " and " (x-3)/1=(y-5)/(-2)=(z-7)/1 .

On comparing the ratios (a_(1))/(a_(2)), (b_(1))/(b_(2)) and (c_(1))/(c_(2)) , find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincident : 5x-4y+8=0 7x+6y-9=0

Find the roots of the equation x-(1)/(3x)=(1)/(6)(x ne 0)

The coefficient of x^(6) in: [(1+x)^(6)+(1+x)^(7)+ . . .+(1+x)^(15)] is:

Find the derivative of the functions given by f(x)= (1+x)(1+x^(2))(1+x^(4))(1+x^(8)) and hence find f'(1).

OSWAAL PUBLICATION-SAMPLE PAPER 5-EXERCISE
  1. Convert 520^(@) into radian measure ?

    Text Solution

    |

  2. Find the conjugate of sqrt(3i)-1

    Text Solution

    |

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

    Text Solution

    |

  4. Find the 20^(th) term of the G.P (5)/(2),(5)/(4),(5)/(8),... ?

    Text Solution

    |

  5. Find the slope of the lines making inclination of 60^(@) with the post...

    Text Solution

    |

  6. Find the derivative of 2x -(3)/(4) w.r.t.x.

    Text Solution

    |

  7. write the negation of 'For all a,binI, a -binI'.

    Text Solution

    |

  8. Define mutually exclusive events.

    Text Solution

    |

  9. If for some non-empty sets A and B containg 3 elements each,subset A x...

    Text Solution

    |

  10. If A={1,2,3,4},B={2,3,5} and C={3,5,6}.Find A uu(B nn C).

    Text Solution

    |

  11. If X and Y are two sets such that n ( X) =17,n ( Y) =23, and n ( Xuu Y...

    Text Solution

    |

  12. Find the range and domain of the real function f(x)=sqrt(9-x^2).

    Text Solution

    |

  13. The minute hand of a clock is 2.1cm long. How far does its tip move is...

    Text Solution

    |

  14. Prove that tan(x+y)=(tanx+tany)/(1-tanxtany)

    Text Solution

    |

  15. Evaluate:underset(x rarr -1)lim [1+x+x^2+x^3+................+x^10].

    Text Solution

    |

  16. A die is thrown.Write the sample space.Also find the probability of th...

    Text Solution

    |

  17. Write the inverse , converse of 'If a parallelogram is a square , then...

    Text Solution

    |

  18. Two series A and B with equal means standard deviation 9 and 10 respe...

    Text Solution

    |

  19. Find the equation of the line perpemdicular to the line x+y+2=0 and pa...

    Text Solution

    |

  20. Convert the complex number -1+i in the polar form ?

    Text Solution

    |