Question

cum se rezolva ecuatia (4- radical din 5 totul la patrat?

Answer 1

E formula si vine... 4 la patrat - 2 ori 4 ori √5 +√5 la patrat ....de vine 16-8√5+5=11-8√5

Answer 2

$(4- \sqrt{5} )^{2} = 4^{2} -2*4* \sqrt{5} + (\sqrt{5} ) ^{2} =16-8 \sqrt{5} -5=11-8 \sqrt{5}$