Question

What is the geometric mean of 3 and 21?

63

31.5

3 square root 7

7 square root 3

Answer 1

\(\Rightarrow G.M(3,21) = \sqrt{3 \times 21} = \sqrt{63}\)

Answer 2

WAIT isnt it the third one

Answer 3

Which can be simplified as \(\sqrt{7 \times 3 \times 3} = 3\sqrt{7}\)

Answer 4

Yes it is :)

Answer 5

:)

Answer 6

Geometric mean is given by = \[\sqrt{(3 * 21)}\].

= sq rt of 63 = 3 \[\sqrt{7}\] = 7.93