Question

33(2+radical din 2) - 3 radical din 2​

Answer 1

$33(2 + \sqrt{2} ) - 3 \sqrt{2} = 3(11(2 + \sqrt{2} ) - \sqrt{2} ) = 3(22 + 11 \sqrt{2} - \sqrt{2} = 3(22 + 10 \sqrt{2} ) = 3 \times 2(11 + 5 \sqrt{2} = 6(11 + 5 \sqrt{2} )$