217 x 217 + 183 x 183=?  Choose the correct choice from the following answers: A) 79698 B) 80578 C) 80698 D) 81268 E) None of them
=(217)^2 + (183)^2   =(200+17)^2 + (200-17)^2   =2[(200)^2+(17)^2]   =2[40000+289]   =2 x 40289 = 80578   Answer is 80578
<result>B</result>
217 x 217 + 183 x 183=?