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Aneli [31]
3 years ago
10

If T equals 1 / r + 1 / s equals r + S over RS, then what is 1 / T in terms of R&S?

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
7 0
T=\dfrac{1}{r}+\dfrac{1}{s}\\\\T=\dfrac{1\cdot s}{r\cdor s}+\dfrac{1\cdot r}{r\cdot s}\\\\T=\dfrac{s}{rs}+\dfrac{r}{rs}\\\\T=\dfrac{s+r}{rs}\to\dfrac{1}{T}=\dfrac{rs}{s+r}
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