brayhampton1662 brayhampton1662 26-04-2024 Mathematics Answered If the sum of first n terms of an AP is cn², then the sum of squares of these n terms is A.n(4n²−1)c²/6B.n(4n²+1)c²/3C.n(4n²−1)c²/3D.n(4n²+1)c²/6