Questão 2907725

\(\left(\frac{a^2+b^2}{2ab}\right)^2\) − 1

\(\left(\frac{a^2+b^2}{ab}\right)^2\) − 2

\(\left(\frac{a^2-b^2}{2ab}\right)^2\) − 1

\(\left(\frac{a^2-b^2}{ab}\right)^2\) − 2

\(\left(\frac{a+b}{ab}\right)^2\) − 2