Home
Class 12
MATHS
Find the sum to n terms of the series 5 ...

Find the sum to `n` terms of the series `5 + 55 + 555 + ...`

Promotional Banner

Topper's Solved these Questions

  • Product of two Vectors

    A DAS GUPTA|Exercise Exercise|48 Videos
  • Properties and Application of definite Integrals

    A DAS GUPTA|Exercise EXERCISE|62 Videos
A DAS GUPTA-Progression, Related Inequalities and Series-Exercise
  1. Sum to infinite terms : 1/5-2/7^2+3/5^3-4/7^4+....

    Text Solution

    |

  2. Sum to n terms : 0.4+0.44+0.444+....

    Text Solution

    |

  3. Find the sum to n terms of the series 5 + 55 + 555 + ...

    Text Solution

    |

  4. Natural numbers are divided into groups in the following way: 1,(2,3),...

    Text Solution

    |

  5. Prove that the sum of the numbers in any group in the following is the...

    Text Solution

    |

  6. Find the sum of the n terms of the sequence 1/(1+1^2+1^4)+2/(1+2^2+2^...

    Text Solution

    |

  7. Sum to n terms of the series (1)/((1+x)(1+2x))+(1)/((1+2x)(1+3x))+(1)/...

    Text Solution

    |

  8. The sum of the series : 1/(1*2*3*4)+1/(3*4*5*6)+1/(5*6*7*8)+...+oo is

    Text Solution

    |

  9. Sum to n terms of the series 1/(5!)+1/(6!)+(2!)/(7!)+(3!)/(8!)+.........

    Text Solution

    |

  10. ((1)/(x+1)+(1)/(x+5))=((1)/(x+2)+(1)/(x+4)):

    Text Solution

    |

  11. Evaluate sum(n=1)^n (n^2+n-1)/((n+2)!).

    Text Solution

    |

  12. Evaluate sum(r=1)^n (rr!) =

    Text Solution

    |

  13. If a1,a2,a3,...,an are in AP and ai ne (2k-1)pi/2 for all i, find the ...

    Text Solution

    |

  14. Sum of the first n terms of the series 1/2+3/4+7/8+(15)/(16)+ is equal...

    Text Solution

    |

  15. Sum of infinite series 1/(1*4)+1/(4*7)+1/(7*10)+......oo is

    Text Solution

    |

  16. If first and (2n-1)^th terms of an AP, GP. and HP. are equal and the...

    Text Solution

    |

  17. "If " (a^(n)+b^(n))/(a^(n-1)+b^(n-1))" is the A.M. between" a and b, t...

    Text Solution

    |

  18. If H is the harmonic mean between Pa n dQ then find the value of H//P+...

    Text Solution

    |

  19. If x>0 then the minimum value of x^3+1/x^3 is

    Text Solution

    |

  20. Evaluate: int(x^3)/((x-1)(x-2))dx

    Text Solution

    |