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# CBSE Class 10 Answered

H.M
Asked by SSHHII | 13 Oct, 2009, 11:03: PM
Expert Answer

We assume you are refering to harmonic mean, by H M.

Harmonic mean of a given data, x1, x2, ...xn be XHM, is given by,

XHM = n/Σ(1/xi) where the summation is over i = 1,2...n.

For example, the equivalent resistance of n parallel resistors is a HM/n, and the equivalent capacitance of n series capacitors is also HM/n.

Regards,

Team,

TopperLearning.

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