1. Si se sabe que: \( a=3 \) y \( b=2 \). Calcular el valor numérico de la siguiente expresión: \[ \left[\frac{\frac{b}{a}-\frac{1}{b}}{\frac{2 b}{a}-1}\right]^{-1}:\left[2 a^{-1}-3 \cdot \frac{5}{2 a}+1\right] \]
Added by Tiffany H.
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We have \(a = 3\) and \(b = 2\). So, the expression becomes: \[ \left[\frac{\frac{2}{3}-\frac{1}{2}}{\frac{4}{3}-1}\right]^{-1}:\left[2 \cdot 3^{-1}-3 \cdot \frac{5}{2 \cdot 3}+1\right] \] Show more…
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