Q.1 Find the sum of the following arithmetic progressions: (vi) x - y2,x2 + y2,x + y2... to n terms.

Q.1 Find the sum of the following arithmetic progressions: (vi) ${(x - y)}^{2}$ , $(x^{2} + y^{2})$ , ${(x + y)}^{2}$ ... to n terms.

Match the items on the right to the items on the left.

STEP 1

STEP 2

STEP 3

STEP 4