differential calculus time rates

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Rdl Randell Charles Malit's picture
differential calculus time rates

A boatman is at which is 4.51cm from the nearest point B on A straight shore. He wishes to reach in Minimum time a point C. Situated on the shore 9km from B. How far from C should He land if He can now at the rate of 6kph and walk at the rate of 7.5kph.

8eightI'sD's picture
I'm azy...you can find the

I'm lazy...you can find the answer in this link:

A boatman is at which is 4.5 kilometers

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