What is correct expression of AM,GM and HM?
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GM or Geometric Mean is the mean value or the central term in the set of numbers in geometric progression. Geometric mean of a geometric sequence with 'n' terms is computed as nth root of the product of all the terms in sequence taken together. HM or Harmonic mean is one of the types of determining the average.
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Relation between AM, GM and HM - definition
AM HM =a+b/2 2ab/a+b = ab = (ab )2= (GM)2 Note that these means are in G.P.
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