Formula For Mean

In previous post i wrote all about  Arithmetic Progression, Geometric Progression & Harmonic Progression

Different Mean  are 

Arithmetic Mean(AM)

Geometric Mean (GM) &

Harmonic Mean(HM)

Formulas For All Are->

For Two Number a and b .......................

Arithmetic Mean(AM)

AM=(a+b)/2 

 Geometric Mean (GM) 

GM=√ab

Harmonic Mean(HM) 

HM=2ab/(a+b)