вычислить (3^0,5-5^0,5)^2:((2-15^0,25)(2+15^0,25))

(3^0,5-5^0,5)²:((2-15^0,25)(2+15^0,25))=

=((3^0,5)²-2*((3*5)^0,5)+(5^0,5)²):(2²-(15^0,25)²)=(3-2√15+5):(4-√15)=

=(8-2√15):(4-√15)=2*(4-√15)/(4-√15)=2.