If H be the H. M. between a and b.
prove that 1/H-a + 1/H-b = 1/a+1/b...
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Mathematics, 28.12.2020 09:20 rujirasri3620
If H be the H. M. between a and b.
prove that 1/H-a + 1/H-b = 1/a+1/b
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Answers: 3
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