Question

4 . M^2 -9 . n^2 igual a 199 Qual o valor de M

Answer 1

$4m^2-9n^2=199\\ \\4m^2=199+9n^2\\ \\m^2= \frac{199+9n^2}{4} \\ \\m= \frac{+}{} \sqrt{\frac{199+9n^2}{4}} \\ \\m= \frac{+}{} \frac{\sqrt{199+9n^2}}{2}$

Depende agora do valor de n.