Home
Class 11
MATHS
Consider the G.p 3, 6, 12…If the sum to ...

Consider the G.p 3, 6, 12…If the sum to n terms is 381, find n

Text Solution

Verified by Experts

7
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

Consider the G.p 3, 6, 12…Find its n^th term and sum to n terms

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

Consider the GP 3,3^2,3^3,….. Find the sum to n terms of this GP.

Consider the GP 3,6,12,…… Which term of this GP is 96?

Consider the GP 3,6,12,…… Find the value of n so that sum to n terms of this GP is 381.

Consider the G.P 2,1,1/2,1/4 …Find its n^(th) term

Consider an infinite G.P with first term a and common ratio r,(-1ltrlt1) If the sum of the given infinite G.P is 15 and the sum of squares of its terms is 45, find a and r

Consider a sequence whose sum to n terms is given by S_n=2n^2+4n Find a_n

Consider a sequence whose sum to n terms is given by S_n=2n^2+4n Is the sequence an A.P? If yes, find the common difference of the AP.

A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. Suppose that three numbers are in G.P The product of three numbers be ...

    Text Solution

    |

  2. Consider the G.p 3, 6, 12…Find its n^th term and sum to n terms

    Text Solution

    |

  3. Consider the G.p 3, 6, 12…If the sum to n terms is 381, find n

    Text Solution

    |

  4. Suppose that a, ar, ar^2,ar^3,ar^4,ar^5 are the first 6 terms of a G.P...

    Text Solution

    |

  5. Suppose that a, ar, ar^2,ar^3,ar^4,ar^5 are the first 6 terms of a G.P...

    Text Solution

    |

  6. Suppose the sum of the geometric series 3+6+12+…+1536 is 3069 Assuming...

    Text Solution

    |

  7. Suppose the sum of the geometric series 3+6+12+…+1536 is 3069 Find the...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. Consider an infinite G.P with first term a and common ratio r-(-1ltrlt...

    Text Solution

    |

  11. Consider an infinite G.P with first term a and common ratio r,(-1ltrlt...

    Text Solution

    |

  12. If |a|lt1 and b=a+a^2+a^3+ …to oo, can we write b=a/(1-a) ?

    Text Solution

    |

  13. If b = a+a^2+a^3+..... oo, lallt1.Prove that a=b/(1+b)

    Text Solution

    |

  14. Assume that 3.52 denotes 3.52222. If x=3.52, find 10x and 100x

    Text Solution

    |

  15. Assume that 3.52 denotes 3.52222. Express this as a rational fraction.

    Text Solution

    |

  16. Suppose 1/(a+b),1/(2b),1/(b+c) are three consecutive terms of an AP. P...

    Text Solution

    |

  17. Suppose 1/(a+b),1/(2b),1/(b+c) are three consecutive terms of an AP. P...

    Text Solution

    |

  18. Suppose that a,b,c,d are in G.P with common ratio r Prove that b+c=ar...

    Text Solution

    |

  19. Suppose that a,b,c,d are in G.P with common ratio r Prove that (b+c)(...

    Text Solution

    |

  20. A sum of Rs. 10,000 is invested at 8% p.a. compound interest? What is ...

    Text Solution

    |