Question

(√3-√5)la puterea 2 Calculati...

Answer 1

√3=1.73
√5=2.23
1.73-2.23=-0.5
-0.5*(-0.5)=-1
Sper ca te-am ajutat
(steluta inseamna inmultire)

Answer 2

$( \sqrt{3} - \sqrt{5} )^2= \sqrt{3} ^2-2 \cdot \sqrt{3} \cdot \sqrt{5} + \sqrt{5} ^2=3-2 \sqrt{15} +5=8-2 \sqrt{15}$