A . x=ι-ι4/(40R2I02)+ι9/(3456R4I04)…B . x=ι-ι5/(40R2I02)+ι9/(3456R4I04)…C . x=ι-ι3/(40R2I02)+ι9/(3456R4I04)…D . x=ι-ι2/(40R2I02)+ι9/(3456R4I04)…
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