Explicație pas cu pas:
[tex]a = \sqrt{2} - 2 \sqrt{6} [/tex]
[tex]b = 5 \sqrt{3} + 2 \sqrt{6} [/tex]
[tex]ma = \frac{a + b}{2} [/tex]
[tex]ma = \frac{ \sqrt{2} - 2 \sqrt{6} + 5 \sqrt{3} + 2 \sqrt{6} }{2} [/tex]
[tex]ma = \frac{ \sqrt{2} + 5 \sqrt{3} }{2} [/tex]