Home
Class 12
MATHS
prove that :-C1 - 1/2 C2 + 1/3 C3 + ... ...

prove that :-`C_1 - 1/2 C_2 + 1/3 C_3 + ... + (-1)^(n+1) 1/n C_n` = 1+1/2 + .... +1/n

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2013

    SHARAM PUBLICATION|Exercise EXERCISE|45 Videos
  • QUESTION PAPER 2015

    SHARAM PUBLICATION|Exercise EXERCISE|45 Videos

Similar Questions

Explore conceptually related problems

Show that 3C_0-8C_1 + 13C_2 - 18C_3 + ..... + (n+1)^(th) term = 0

Show that C_2 + 2C_3 + 3C_4 + ... + (n-1)C_n = 1+ (n-2) 2^(n-1)

Find the sum of the following C_1 - 2C_2 + 3C_3 - ..... + n(-1)^(n-1) C_n

C_0 C_1 + C_1 C_2 + .... + C_(n-1) C_n = (2^n.n.1.3.5... (2n-1))/(n+1)

Find the sum of C_1 + 2C_2 + 3C_3 + .... + nC_n

Prove that "^(2n)C_1 + ^(2n)C_3 + .... + ^(2n)C_(2n-1) = 2^(2n-1)

Show that C_0 C_1 + C_1 C_2 + C_2 C_3 + .... + C_(n-1) C_n = (2n!)/((n-1)!(n+1!))

Show that C_0 + 3C_1 + 5C_2 + .... +(2n+1) C_n = (n+1)(2^n)

Show that C_1^2 + 2C_2^2 + 3(3^2 + ... + "^nC_n^2 = ((2n-1!))/{(n-1)!}^2

Find the sum of C_0 + 2C_1 + 3C_2 + .... + (n+1)C_n

SHARAM PUBLICATION-QUESTION PAPER 2014-EXERCISE
  1. Find the differential equation whose general solution is ax^(2)+by=1, ...

    Text Solution

    |

  2. If the sum of two unit vectors is a unit vectors find the magnitude of...

    Text Solution

    |

  3. Find the value of lambda such that the following vectors are coplanar:...

    Text Solution

    |

  4. Find the co-ordinates of the foot of the perpendicular from the point ...

    Text Solution

    |

  5. Find the equation of the plane Paralel to the plane 2x-y+3z+1=0 and at...

    Text Solution

    |

  6. Using the method of elemination find the symmetrical form of equation ...

    Text Solution

    |

  7. Solve the following LPP graphically Maximize, Z=20x+30y Subject to...

    Text Solution

    |

  8. If A and B are square matrices of same order, then show by means of an...

    Text Solution

    |

  9. If A=[[0,-tan(alpha/2)],[tan(alpha/2),0]] show that (I+A) =(I-A)[[c...

    Text Solution

    |

  10. Five cities A,B,C,D,E are connected to each other by straight roads. W...

    Text Solution

    |

  11. Two balls are drawn from a bag containing 6 red and 4 yellow balls. Fi...

    Text Solution

    |

  12. A person draws three cards at random one after another from a pack of ...

    Text Solution

    |

  13. Evaluate: overset(pi)underset(0)int x/(1+sinx)dx

    Text Solution

    |

  14. Solve the following differential equations (x+tany)dy= sin 2y ""dx

    Text Solution

    |

  15. Prove that by vector methord, in any Delta ABC, (a)/(sin A) = (b)/(sin...

    Text Solution

    |

  16. Find the equation of the sphere inscribed in a tetrahedron whose faces...

    Text Solution

    |

  17. Solve the following LPP Maximise Z=20x+10y Subject to x+2yle40, ...

    Text Solution

    |

  18. Solve the following system of equations by the matrix inversion method...

    Text Solution

    |

  19. prove that :-C1 - 1/2 C2 + 1/3 C3 + ... + (-1)^(n+1) 1/n Cn = 1+1/2 + ...

    Text Solution

    |

  20. The probability of a shooter hitting a target is (3)/(4) Find the mini...

    Text Solution

    |