The top of a ladder slides down a vertical wall at a rate of 0.15 m/s. At the moment when the bottom of the ladder is 3 m from the wall, it slides away from the wall at a rate of 0.2 m/s. How long is the ladder?

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A: We have given; the rate of change when ladder slides down i.e 0.15m/s The rate of change when it…