if A is the AM between a and b prove that (A+2a)/(A-b) + (A+2b)/(A-a) =4?

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... B (a,b), and C (2a,0). ... A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. ... (-2a, 0), B(2a, 0), and C(0, 2b), ... - Read more

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