Integer solutions for $\frac{1}{x^2}+\frac{1}{y^2}=\frac{1}{z^2}$?
Solution 1:
For the equation.
$$\frac{1}{x^2}+\frac{1}{y^2}=\frac{1}{z^2}$$
Use a Pythagorean triple.
$$a^2+b^2=c^2$$
Obtained solutions.
$$x=ac$$
$$y=bc$$
$$z=ab$$
For the equation.
$$\frac{1}{x^2}+\frac{1}{y^2}=\frac{1}{z^2}$$
Use a Pythagorean triple.
$$a^2+b^2=c^2$$
Obtained solutions.
$$x=ac$$
$$y=bc$$
$$z=ab$$