Question

Va rog problema 7 va implor

Answer 1

2$\sqrt{x} 3$

Answer 2

2√3 x -3√2 y = 12
4√3 x + √2y = 10     / ×3

2√3x  -3√2y =12
12√3x +3√2y= 30
-------------------------
14√3x +0 =42

14√3x = 42 / 14√3
x= 3/√3
x= √3

2√3 × √3 -3√2y =12
-3√2y= 6
y= -6 / 3√2
y = -2 /√2
y= -√2

S= {(-√2, √3)}