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Vyjádření veličiny Z
Z daných vztahů vyjádři veličinu uvedenou v závorce:
Z =\ – \frac{f}{{a\ –\ f}}\ \ \ \ \ [a]
\large a = \Large \frac{f}{Z} + f = \Large \frac{{fZ+f}}{Z} = \Large \frac{{f\left( {Z+1} \right) }}{Z}\large
\large a =- \Large \frac{f}{Z}\large + f = \Large \frac{{fZ-f}}{Z}\large = \Large \frac{{f\left( {Z+2} \right) }}{Z}\large
\large a =- \Large \frac{f}{Z}\large + f = \Large \frac{{fZ-f}}{Z}\large = \Large \frac{{f\left( {Z-1} \right) }}{Z}\large
\large a =- \Large \frac{f}{Z}\large - f = \Large \frac{{fZ+f}}{Z}\large = \Large \frac{{f\left( {Z+1} \right) }}{Z}\large