Question: an op amp having a low - frequency gain 1 0 ^ 5 V / V and a single - pole rolloff at 1 0

an op amp having a low-frequency gain 10^5 V/V and a single-pole rolloff at 10^3 rad/s is connected in a negative-feedback loop via feedback network having a transmission k and a two-pole rolloff at 10^3 rad/s. Find the value of k above which the closed-loop amplifier becomes unstable

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