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Find the geometric mean of 14 and 20

The geometric mean of 14 and 20 is 16.73.

Step-by-step explanation:

It is required to find the geometric mean of 14 and 20. Let the numbers are :

a = 14 and b = 20

The geometric mean for two numbers is given by :

Plugging the values in above formula as follows :

So, the geometric mean of 14 and 20 is 16.73.

2 sqrt(70)

Step-by-step explanation:

The geometric mean is

GM = sqrt(ab)

sqrt(14*20)

sqrt(280)

sqrt(4 *70)

sqrt(4) sqrt(70)

2 sqrt(70)

if you mean

then it's c. 8, -7/3

but if you mean

then it is