Question

8ab+4(a-b) при a=√3; b=√2

Answer 1

$8ab + 4(a - b) = 8ab + 4a - 4b = \\ = 8 \times \sqrt{3} \times \sqrt{2} + 4 \times \sqrt{3} - 4 \times \sqrt{2} = \\ = 8 \sqrt{6} + 4 \sqrt{3} - 4 \sqrt{2}$