1*1 + 2*2 + 3*3 +... + 49*49 + 50*50
how do i write the thing in bold without having to write every number multiplied by the same number....is there an easier way? is there a simple one word statement/anything?
how do i write the thing in bold without having to write every number multiplied by the same number....is there an easier way? is there a simple one word statement/anything?
Comment