Home
Class 11
MATHS
4 + 8 + 12+…….Find sum of first 15 terms...

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

Promotional Banner

Topper's Solved these Questions

  • SEQUENCE AND SERIES

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems -Matching The Columns|2 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

The first term of a G.P. is 27 and its eight term is (1)/(81) . Find the sum of its first 10 terms.

The sum of the first three terms of a G.P. is 21 and the sum of the next three terms is 168. Find the sum of first five terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

The sum of the third and the seventh term of an AP is 6 and their product is 8. Find the sum of first sixteen terms of the AP.

If the sum of p terms of an AP is q and the sum of q terms is p, then show that the sum of p+q terms is -(p+ q) . Alos, find the sum of first p-q terms (where, p gt q )

If the first four terms of an arithmetic sequence are a,2a,b and (a-6-b) for some numbers a and b, find the sum of the first 100 terms of the sequence.

Find the sum of first n terms and the sum of first 5 terms of the geometric series 1+ 2/3 +4/9 +............

If the sum of the first n terms of an AP is 4n - n^2 , what is the first term (that is S_1 ) ? What is the sum of first two terms ? What is the second term ? Similarly . Find the 3rd, the 10th and the nth terms .

The first term of an AP is a and the sum of the first p terms is zero, show that the sum of its next q terms is (-a(p+q).q)/(p-1)