Home
Class 10
MATHS
If sum of n terms of an A.P. is 4n^(2) +...

If sum of n terms of an A.P. is `4n^(2) +7n` , find the `15^(th)` term.

A

123

B

142

C

153

D

136

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    MTG IIT JEE FOUNDATION|Exercise EXERCISE -SUBJECTIVE PROBLEMS (VERY SHORT ANSWER TYPE )|10 Videos
  • ARITHMETIC PROGRESSIONS

    MTG IIT JEE FOUNDATION|Exercise EXERCISE - SUBJECTIVE PROBLEMS ( SHORT ANSWER TYPE )|10 Videos
  • ARITHMETIC PROGRESSIONS

    MTG IIT JEE FOUNDATION|Exercise EXERCISE (COMPREHENSION TYPE ) PASSAGE I |3 Videos
  • AREAS RELATED TO CIRCLES

    MTG IIT JEE FOUNDATION|Exercise OLYMPIAD/HOTS CORNER|30 Videos
  • CIRCLES

    MTG IIT JEE FOUNDATION|Exercise Olympiad/HOTS Corner|30 Videos

Similar Questions

Explore conceptually related problems

If the sum of n terms of an A.P is 2n+3n^(2) , find the r^(th) term

If sum of n terms of an A.P. is n^(2)+13 , find its 13^(th) term.

The sum of n terms of an A.P. is n^(2) + 3n . Find its 20th term.

If the sum of first n terms of an A.P. is an^(2) + bn and n^(th) term is An + B then

If the sum of n terms of an A.P is (4n^(2)-3n)/(4) then ,n^(th) term of the A.P

If sum of first n terms of an A.P is 2n^(2) + 7n, write its nth term.

The sum of first n terms of an A.P. is 5n^(2) + 3n . If the nth term is 168, find the value of n. Also find the 20th term of the A.P.

If for every n in N , sum to n terms of an A.P. is 5n^(2)+7n then is 10th term is

If the sum of n terms of an AP is n^2-2n then find its n^(th) term