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16-03-2020
Mathematics

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explanation needed tip by using chain rule

explanation needed tip by using chain rule class=

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amna04352 amna04352

16-03-2020

Answer:

1/(810pi) cm/s

Step-by-step explanation:

V = pi×r²×h = pi×90²×h = 8100pi×h

dh/dt = dh/dV × dV/dt

dV/dh = 8100pi

dV/dt = 10

dh/dt = (1/8100pi) × 10

= 1/(810pi) cm/s

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