Home
Class 11
MATHS
Find the n^(th) term of the A.P 84, 80,7...

Find the `n^(th)` term of the A.P 84, 80,76,.....

Text Solution

Verified by Experts

`-4n+88`
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

Let t_(n) , n = 1,2,3,cdots be the n^(th) term of the A.P. 5,8,11, cdots . Then the value of n for which t_(n) = 305 is

Find the 10^(th) and n^ (th) terms of the G.P. 5,25,125, . . .

Find the 20^( th) and n^ (th) terms of the G. P, 5/2, 5/4, 5/8...

Find the 20^(th) and n^(th) terms of the G.P. 5/2,5/4,5/8,…

If the sum of the first 2n terms of the A.P. 2, 5, 8, ..., is equal to the sum of the first n terms of A.P. 57, 59, 61. .... then n equals

Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 respectively If the sum of the terms of the A.P is 40, find the number of terms in the A.P.

If m times the m^(th) term of an A.P is equal to n times its n^(th) term, show that the (m + n)^(th) term of the AP is zero.

Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 respectively Find the common difference of the A.P

If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) term, show that the 25th term is 0

The difference between the 15^(th) term and the 5^(th) term of an A.P is 40. Which number is to be added to its 12^(th) term to get the 20^(th) term? Find the difference between its first term and 21^(st) term?

A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. Consider a sequence whose sum to n terms is given by Sn=2n^2+4n Find a...

    Text Solution

    |

  2. Consider a sequence whose sum to n terms is given by Sn=2n^2+4n Is the...

    Text Solution

    |

  3. Find the n^(th) term of the A.P 84, 80,76,.....

    Text Solution

    |

  4. If an is the n^(th) term of an A.P whose first term is a and common di...

    Text Solution

    |

  5. Prove that the number of terms in the A.P. 3,6,9,….111 is 37

    Text Solution

    |

  6. Find the number of natural numbers between 1 and 100 which are divisib...

    Text Solution

    |

  7. Find the sum of natural numbers between 1 and 100 which are divisible ...

    Text Solution

    |

  8. Suppose that the 6^(th) and 17^(th) terms of an A.P. are 19 and 41 res...

    Text Solution

    |

  9. The 6^(th) and 17^(th) terms of an A.P are 19 and 41 respectively, fin...

    Text Solution

    |

  10. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

    Text Solution

    |

  11. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

    Text Solution

    |

  12. If a is the first term and d is the common difference of an A.P, what ...

    Text Solution

    |

  13. If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) t...

    Text Solution

    |

  14. Suppose that three numbers are in A.P. If the sum of the three numbers...

    Text Solution

    |

  15. Suppose that three numbers are in A.P.if the sum of the three numbers ...

    Text Solution

    |

  16. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

    Text Solution

    |

  17. Suppose that four numbers are in A.P. Let the four numbers be a-3d, a-...

    Text Solution

    |

  18. Consider the A.P. 18,15,12.... Find the sum to n terms of the A.P.

    Text Solution

    |

  19. Consider the A.P. 18,15,12.... How many terms are needed to give the s...

    Text Solution

    |

  20. Consider the equation 1+6+11 + 16 + ... +x= 148 If n is the number of ...

    Text Solution

    |