Questão 2101644

h² + a² = b²

a² + b² = (2h)²

\(\frac{1}{h^2}\) + \(\frac{1}{b^2}\) = \(\frac{1}{a^2}\)

\(\frac{1}{h^2}\) = \(\frac{1}{\left(a+b\right)^2}\)

\(\frac{1}{h^2}\) = \(\frac{1}{a^2}\) + \(\frac{1}{b^2}\)