[" If the sum of pterne of a AP is "q" and the "],[" sum of "%" term of on "AP" is "p" .Find the "],[" sum of "(P+q)" term of "AP" ? "]

The sum of the first p terms of an A.P. is q and the sum of the first q terms of the same A.P. is p. Find the sum of the first (p+q) terms of the A.P.

If the sum of p terms of an A.P. is q and the sum of q terms is p , then the sum of the p+q terms will be

The sum of first p- terms terms of an A.P. is q and the sum of first q terms is p, find the sum of first (p + q)

If the sum of 8 terms of an A.P. is 64 and the sum of 19 terms is 361, find the sum of n terms.

If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of p+q terms will be

If the sum of p terms of an A.P. is q and the sum of q terms is p, then the sum of p+q terms will be

If the sum of p terms of an A.P. is q and the sum of q terms is p, show that the sum of (p+q) terms is -(p+q).

If the sum of m terms of an A.P, is equal to the sum of n terms of the A.P ., then the sum of (m + n) terms is

If the sum of the first four terms of an AP is 40 and the sum of the first fourteen terms of an AP is 280. Find the sum of first n terms of the A.P.