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http://mathurl.com/ybn6yhu9
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$\small i_0 = \left( \frac {1} {R_1} + \frac {1 + s \, C_1 \, R_1} {s \, C_1 \, R_1 \, R_2} \right) \, u_1$

help & about · blog · mathurl at mathurl dot com · by justin kao