Home
Class 11
MATHS
If the sum of n terms of an A.P. is (pn ...

If the sum of n terms of an A.P. is `(pn + qn^2)` , where p and q are constants, find the common difference.

Text Solution

Verified by Experts

The correct Answer is:
2q
Promotional Banner

Similar Questions

Explore conceptually related problems

If the sum of n terms of an A.P. is nP+1/2n(n-1)Q , where P and Q are constants, find the common difference.

If the sum of n terms of an A.P. is given by : S_(n) = 3n+ 2n^(2) , then the common difference of the A.P. IS :

If the sum of first n terms of an A.P. is cn^(2) , then the sum of squares of these n terms is :

If the sum of n terms of an A.P. is given by S_(n)=n^(2)+n , then the common difference of the A.P. is

The sum of first 2n terms of an AP is alpha . and the sum of next n terms is beta, its common difference is

The sum of n terms of an Arithmetic progression is S_n=2n^2+6n . Find the first term and the common difference.

The fourth and eight terms of an A.P. are in the ratio of 1:2 and tenth term is 30. Find the common difference.

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

If the sum of first 10 terms of an A.P. is 4 times the sum of its first 5 terms, then find the ratio of first term and common difference.