👤

Numarul (√20/3-1/√5)(10/√125+12/√180) . Raspunsul este 2 ...vreau rezolvare completa.

Răspuns :

(√20/3-1/√5)(10/√125+12/√180)
=(2√5/3-√5/5)(10/5√5+12/6√5)
=(10√5/15-3√5/15)(2/√5+2/√5)
=7√5/15*4/√5
=7*4/15
=28/15