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12-03-2017
Mathematics

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Find two numbers A and B (with AB) whose difference is 44 and whose product is minimized.

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Аноним Аноним

12-03-2017

B = 44+A

AB = A(44+A) = 44A + A^2

d(AB)/dA = 44+2A = 0
A = -44/2 = -22
B = 44-22 = 22

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