1.

Given that \((1^2 + 2^2 + 3^2 + ...+10^2)=385\), the value of \((2^2 +4^2 +6^2 + ...+ 20^2)\) is equal to

A. 770
B. 1155
C. 1540
D. (385)2
Answer» D. (385)2


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