Question

Find Hm
of two positive number whose A.M. and G.4. are
5 and 8​

Answer 1

Step-by-step explanation:

A. M =a+b=10

G.m=

$\sqrt{ab} = 8$

Squarring both sides we get ab=64

$\\ harmonic \: mean = \frac{2ab}{a + b}$

After putting values

$\frac{128}{10}$

$\frac{64}{5}$