Question

Ajutor. Dau coroană
X=√300+2√192-3√675-√108
y=√432+2√588-3√1200+15√12

Answer 1

x=10radical din3+2x8radical din3+15radical din3+6radical din3=47radical din3

Answer 2

1)x=√300+2√192-3√675-√108
x=10√3+2•8√3-3•15√3-6√3
x=10√3+16√3-45√3-6√3
x=-25√3

2) y=√432+2√588-3√1200+15√12
y=12√3+2•14√3-3•20√3+15•2√3
y=12√3+28√3-60√3+30√3
y=10√3

succes