Home
Class 10
MATHS
The sum of n terms of the A.P.sqrt2,sqrt...

The sum of n terms of the A.P.`sqrt2,sqrt8,sqrt18,sqrt32,….`is
a)1/2n(n+1) b)2n(n+1) c)1 d)`1/sqrt2n(n+1)`

A

1/2n(n+1)

B

2n(n+1)

C

1

D

`1/sqrt2n(n+1)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSION

    R G PUBLICATION|Exercise EXERCISE|122 Videos

  • AREAS RELATED TO CIRCLES

    R G PUBLICATION|Exercise EXERCISE|65 Videos

  • CIRCLES

    R G PUBLICATION|Exercise EXERCISE|34 Videos

Similar Questions

Explore conceptually related problems

The next term of the AP sqrt2,sqrt8,sqrt18,…. will be

If the sum to n terms of the A.P.-9,-1,7, ... is 2175, find n.

Find the sum to n term of the G.P 1/2-1/4+1/8-1/16+ …....

The sum of fIrst n terms of an A.P series is 26n-2n^2 . Find the fifth term.

Find the sum of the following series up to the specified term sqrt2+sqrt2(1-sqrt2)+sqrt2(1-2sqrt2) …..upto 21 th term

Find the sum of first n terms of the following 1+(1+2)+(1+2+3)+….

Which of the following are APs ?If they form an AP,find the common difference d and write three more terms.(xii) sqrt2,sqrt8,sqrt18,sqrt32,….

Find the sum of first n term of the following series 1+(1+2)+(1+2+2^2)+ …..

Show that 1/(sqrt 2+sqrt 3) , 1/(sqrt 3+1) , 1/(sqrt 2+1) are in A.P.

Find the rth term of an A.P., the sum of whose first n terms is 2n+3n^2 .

R G PUBLICATION-ARITHMETIC PROGRESSION-EXERCISE
  1. If 4/5,a,2 are three consecutive terms of an A.P.then a= a)5/4 b)9/5...

    Text Solution

    |

  2. The first term of an AP is a and its common difference is d then its 1...

    Text Solution

    |

  3. Which term of the A.P.72,63,54,….is '0'? a)9th b)8th c)10th d)11t...

    Text Solution

    |

  4. The first two terms of an AP are -5 and 6.Its 21st term will be a)215...

    Text Solution

    |

  5. The next term of the AP sqrt2,sqrt8,sqrt18,….will be

    Text Solution

    |

  6. The next term of the AP sqrt27,sqrt48,sqrt75,….will be

    Text Solution

    |

  7. If the nth term of an AP is (3n+5) then its common difference is a)2 ...

    Text Solution

    |

  8. The 4th term from the end of the A.P.-11,-8,-5,….49 is a)37 b)40 c)...

    Text Solution

    |

  9. The sum of first 16 term of the AP 10,6,2,….will be a)320 b)-320 c...

    Text Solution

    |

  10. How many terms of the AP.3,7,11,15,….will make the sum 406 a)10 b)12...

    Text Solution

    |

  11. The sum of first 20 terms of the AP:1,3,5,7,9,…..is a)264 b)400 c)...

    Text Solution

    |

  12. The sum of n terms of the A.P.sqrt2,sqrt8,sqrt18,sqrt32,….is a)1/2n(n...

    Text Solution

    |

  13. The sum of first n odd natural number is

    Text Solution

    |

  14. The sum of first 100 natural number is a)5000 b)4950 c)5050 d)5150

    Text Solution

    |

  15. The sum of all 2-digit numbers divisible by 5 is a)945 b)1035 c)12...

    Text Solution

    |

  16. If4,x1,x2,x3,28are in A.P then x3= a)19 b)22 c)23 d)Cannot be dete...

    Text Solution

    |

  17. If the first,second and last term of an AP are a,b and 2a respectively...

    Text Solution

    |

  18. If Sn denotes the sum of the first n terms of an AP and if S2n=3Sn the...

    Text Solution

    |

  19. The nth term of an A.P the sum of whose n term is Sn is

    Text Solution

    |

  20. If 1/(x+2),1/(x+3),1/(x+5) are in A.P then the value of x will be a)1...

    Text Solution

    |