Question

Cat face 3 radical din 2,totul la a doua??

Answer 1

( 3√2 )² = 3² × ( √2 )² = 9 × 2 = 18

Answer 2

$(3 \sqrt{2}) ^{2} = {3}^{2} \sqrt{ {2}} ^{2} = 9 \sqrt{2} ^{2} = 9 \times 2 = 18$