Question

(7 (1/2) - 3 (1/2) )^2 + ( 7 (1/2) + 3 (1/2))^2

Answer 1

$(7 frac{1}{2} - 3 frac{1}{2} ) ^{2} + (7 frac{1}{2}+3 frac{1}{2} ) ^{2} = 4 ^{2}+11 ^{2}=16 + 121 = 137$