Explicación paso a paso:
[tex] {m}^{2} + {n}^{2} = 5 \\mn = 2[/tex]
[tex] {2}^{2} + {1}^{2} = 5 \\ 4 + 1 = 5[/tex]
Si cumple,
M=2 n=1
M+n
2+1
3
