19 jun 2015, 00:29
galera alguem pode me expricar passo a passo a resoluçao desse exercicio :
Raiz quadrada:
a²/b² + b²/a² + 2
19 jun 2015, 14:23
\((\frac{a}{b})^2+2+(\frac{b}{a})^2=(\frac{a}{b})^2+2\cdot\frac{a}{b}\cdot\frac{b}{a}+(\frac{b}{a})^2=(\frac{a}{b}+\frac{b}{a})^2\)
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