Home
Class 11
MATHS
Find n^(th) term of the series 1+(1+2)...

Find `n^(th)` term of the series `1+(1+2)+(1+2+3)+....`Find the sum to n terms of the series

Text Solution

Verified by Experts

`n/6(n+1)(n+2)`
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|83 Videos

  • SETS

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|268 Videos

Similar Questions

Explore conceptually related problems

Find the n^(th) term of the series 1+(1+2)+(1+2+3)+..

Find the sum of n terms of the series 7+77+777+..

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

Find the sum to n terms of the series: 8, 88, 888 ,…..

Find the sum to n terms of the series, 2^2+ 5^2+8^2+……..

Find the sum to n terms of the series 3+15+35+63+ cdots .

Find the sum to n terms of this series. 1^2+3^2+5^2+……….

Find the sum to n terms of the series: 5+11+19+29+41 .....

Find the sum of n terms of the series 7+77+777+ ..........

A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. Find the sum to n terms of the series whose n^(th) term is 2n^3+3n^2-1

    Text Solution

    |

  2. Find the n^(th) term of the series 1+(1+2)+(1+2+3)+..

    Text Solution

    |

  3. Find n^(th) term of the series 1+(1+2)+(1+2+3)+....Find the sum to n...

    Text Solution

    |

  4. What is the value of underset1oversetnsum3^n?

    Text Solution

    |

  5. What is the value of underset1oversetnsum3^n?

    Text Solution

    |

  6. Find the sum to n terms of the series whose n^(th) term is n^3-3^n

    Text Solution

    |

  7. Find the n^(th) term of series 1.2.5+2.3.6+3.4.7.+…

    Text Solution

    |

  8. Find the sum to n terms of this series

    Text Solution

    |

  9. What is the sum of first n terms of an A.P. whose first term is 'a' an...

    Text Solution

    |

  10. What is the n^(th) term of an A.P. whose first term is 'a' and common ...

    Text Solution

    |

  11. The ratio of the sums of m and n terms of an A.P is m^2:n^2. Show that...

    Text Solution

    |

  12. A student builds square pattern with square bricks using the followin...

    Text Solution

    |

  13. A student builds square pattern with square bricks using the followin...

    Text Solution

    |

  14. A student builds square pattern with square bricks using the followin...

    Text Solution

    |

  15. Suppose the digits of a positive integer, having three digits ,are in ...

    Text Solution

    |

  16. Suppose the digits of a positive integer, having three digits ,are in ...

    Text Solution

    |

  17. Suppose two Cars start together in the same direction from the same pl...

    Text Solution

    |

  18. Suppose two Cars start together in the same direction from the same pl...

    Text Solution

    |

  19. Suppose two Cars start together in the same direction from the same pl...

    Text Solution

    |

  20. Consider the quadratic equation (b-c)x^2+(c-a)x+(a-b)=0 Find the discr...

    Text Solution

    |