Question

find the harmonic mean between two numbers 4 and 16 .​

Answer 1

Answer:

answer is 6.4

Step-by-step explanation:

formula for harmonic mean is H=2ab/(a+b)

Answer 2

Answer: 6.4

Step-by-step explanation: The harmonic mean is given by

Harmonic mean = $\dfrac{n}{\sum\dfrac{1}{x_i} }$

Now we have two numbers 4 and 16

So, Harmonic mean is as follows:

$\dfrac{2}{\dfrac{1}{4}+\dfrac{1}{16}} = \dfrac{2}{\dfrac{5}{16} } =2\times\dfrac{16}{5} =\dfrac{32}{5}= 6.4$

Therefore, the harmonic mean of  4 and 16 is 6.4