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Qn #762
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If $H$ is the harmonic mean between $P$ and $Q$, then $\dfrac{H}{P} + \dfrac{H}{Q}$ is
A.
2
B.
$\dfrac{P+Q}{Q}$
C.
$\dfrac{PQ}{P+Q}$
D.
None of these
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❓ Question: If $H$ is the harmonic mean between $P$ and $Q$, t... | TANCET Group Studies | Tancet Group Studies