Question

Solve for a and b a+b/ab=5 , a-b/ab=6

Answer 1

Step-by-step explanation:

$Given \: it \: \frac{a + b}{ab} = 5 \\ \: \: \: then \: a + b = 5ab.........(1) \\ and \: \: \: \: \: \: \: \: \: \: \frac{a - b}{ab } = 6 \\ \: \: \: \: then \: a - b = 6ab.........(2) \\ Adding \: the \: equation \: (1) \: and \: (2) \\ 2a = 11ab \\ b = \frac{2}{11} \\ Substracting \: the \: equation \\ 2b = - ab \\ a = - 2$

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