Question

Calculați 8(radical 3 - radical 2)+ 5(2 radical din 3 +3 radical 2)​

Answer 1

Răspuns:

$8( \sqrt{3} - \: \sqrt{2} ) + 5( 2\sqrt{3} + 3 \sqrt{2} ) \\ = 8 \sqrt{3 } - 8 \sqrt{2} + 10 \sqrt{3} + 15 \sqrt{2} \\ = 18 \sqrt{3} + 7 \: \sqrt{2}$