Home
Class 11
MATHS
For the series, 2 + 3+ 6 + 11 + 18+…….f...

For the series, `2 + 3+ 6 + 11 + 18+`…….find its `50^(th)` term `(a_(50))`

Text Solution

Verified by Experts

The correct Answer is:
2403
Promotional Banner

Topper's Solved these Questions

  • SEQUENCE AND SERIES

    KUMAR PRAKASHAN|Exercise Exercise: 9.1|14 Videos
  • SEQUENCE AND SERIES

    KUMAR PRAKASHAN|Exercise Exercise: 9.2|18 Videos
  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Question of Module)|16 Videos
  • SETS

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE|28 Videos

Similar Questions

Explore conceptually related problems

If t_(n) denotes the nth term of the series 2 + 3+ 6+ 11 ,…….then t_(50) is

Find the common difference of the AP whose first term is 1/2 and the 8th term is 17/6 . Also find its 4th term.

In a GP the 3rd term is 24 and 6th term is 192. Find the 10th term.

Find the 20th term of the AP whose 3rd term is 7 and the 7 term exceeds three times the third term by 2. Also find its nth term a_n .

Give new series by adding 2 in each term of arithmetic sequence 2,4,6,8,…….. Give its 10^(th) term

Find the 20^(th) term of the series 2 xx 4 + 4 xx 6 + 6 xx 8 + ... + n terms.

If the sum of n terms of a series is 2n^(2)+5n for all values of n, find its 7th term.

If the sum of first n terms of an AP is 1/2 (3n^(2) + 7n) , then find its nth term. Hence write its 20th term.

If the sum of n terms of an A.P. is 3n^2 + 5n and its m^("th") term is 164, find the value of m .

Find the 31st term of an AP whose 11th term is 38 and the 16th term is 73.

KUMAR PRAKASHAN-SEQUENCE AND SERIES-Solutions of NCERT Exemplar Problems -Question of Module
  1. For the series, 2 + 3+ 6 + 11 + 18+…….find its 50^(th) term (a(50))

    Text Solution

    |

  2. The terms 1,1,2,3,5,8,13,……respresents which sequence?

    Text Solution

    |

  3. Which is the sequence whose terms are not finite?

    Text Solution

    |

  4. What does a(1) + a(2) + a(3) + …..+ a(n) represent

    Text Solution

    |

  5. Give new series by adding 2 in each term of arithmetic sequence 2,4,6,...

    Text Solution

    |

  6. Find twelveth term of A.P. 4, 8, 12…….

    Text Solution

    |

  7. 3 + 6+ 9 +…….Find sum of n terms.

    Text Solution

    |

  8. 4 + 8 + 12+…….Find sum of first 15 terms.

    Text Solution

    |

  9. Obtain arithmetic mean of 2 and 128

    Text Solution

    |

  10. Insert 5 arithmetic mean between 3 and 4.

    Text Solution

    |

  11. Find 8^(th) term of geometric sequence 3, 6,12,….

    Text Solution

    |

  12. Find n^(th) term of Geometric sequence 1,3,9,27,……

    Text Solution

    |

  13. Find S(n) for geometric sequence 4, 8, 15, 32,……

    Text Solution

    |

  14. Find sum of first 10 terms of geometric series 3,9, 27,……

    Text Solution

    |

  15. Find geometric mean of numbers 5 and 125.

    Text Solution

    |

  16. Insert 3 geometric mean between 4 and 64.

    Text Solution

    |

  17. The arithmetic and geometric mean of two positive numbers are 8 and 4 ...

    Text Solution

    |

  18. If A and G be A.M. and G.M., respectively between two positive numbers...

    Text Solution

    |

  19. Find value : 5^(2) + 6^(2) + 7^(2)+ …….+ 25^(2)

    Text Solution

    |

  20. Prove the following by using the principle of mathematical induction f...

    Text Solution

    |