SOLUTION: If a,b,c, are in harmonic progression shown that (1/a+1/b-1/c)(1/b+1/c -1/a)=4/ac-3/b^2

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Question 974404: If a,b,c, are in harmonic progression shown that (1/a+1/b-1/c)(1/b+1/c -1/a)=4/ac-3/b^2
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
If a,b,c, are in harmonic progression shown that (1/a+1/b-1/c)(1/b+1/c -1/a)=4/ac-3/b^2








The left side

 becomes



----------------------------------------------------------------

The right side:



 becomes



Edwin
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