617 x 617 + 583 x 583=?	Choose one:
A) 720578 B) 80578 C) 80698 D) 81268 E) None of them
=(617)^2 + (583)^2   =(600+17)^2 + (600-17)^2   =2[(600)^2+(17)^2]   =2[360000+289]   =2 x 360289 = 720578   720578nswer is 720578
<result>A</result>
617 x 617 + 583 x 583=?