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**Summary::**Consider the rectangular water tank, at the base the length is the same for 200 cm. There are 100 holes for water to come out which each hole have the same flow rate. Find the amount of water that come out in each hole by using differential when we know that there is an error in the measurement of the height of the water in the tank is not exceed ± 1 cm.

Can you please help me or hint me how to do it because I have tried many times to solve it and I still cannot find the answer to the question

Thank you very much in advice !!!