287 x 287 + 269 x 269 - 2 x 287 x 269 = ? Choose the correct choice from the following answers.
A) 534 B) 446 C) 354 D) 324 E) None of them
=a^2+b^2-2ab   where a=287 and b=269   =(a-b)^2 = (287-269)^2   =(18)^2   =324   Answer is 324
<result>D</result>
287 x 287 + 269 x 269 - 2 x 287 x 269 = ?