Question

(√5-3√2+2 )x(√5+3√2-2) =?

Answer 1

$(\sqrt{5} - 3\sqrt{2} +2)*( \sqrt{5} +3 \sqrt{2} -2) = \sqrt{5} * \sqrt{5} +3 \sqrt{10} -2 \sqrt{5} -3 \sqrt{10}$ -$9 \sqrt{4} + 6 \sqrt{2} +2 \sqrt{5} +6 \sqrt{2} -4=5-18+12 \sqrt{2} - 4=12 \sqrt{2} -17$.=-17 + 16,92 = aproximativ 0 ,08

Answer 2

poza
----------------------------
≈ -17 + 12*1,41 =
-17 + 16,92 =
-0,08=
-8/100=
-2/25
Iti alegi singur sub ce forma preferi pentru rezultat.