C-03-Q022mediumsingle_mcq(a+b)2+(a−b)2=?(a+b)^2 + (a-b)^2 = ?(a+b)2+(a−b)2=?a2(a2+b2)2(a^2 + b^2)2(a2+b2)b2(a2−b2)2(a^2 - b^2)2(a2−b2)ca2+b2a^2 + b^2a2+b2d4ab4ab4ab