Find the inverse matrix, if one exists. 
Definitions:
Inductive Reactance
A measure of the opposition that an inductor presents to alternating current, due to the magnetic field created by the current.
Capacitive Reactance
The resistance that a capacitor offers to alternating current, depending on the frequency of the current and the capacitor value, measured in ohms.
AC Circuit
A circuit in which the current changes direction periodically, powered by an alternating voltage source.
Inductive Reactance
A measure of the opposition by an inductor to changes in current, dependent on frequency.
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