Question

what is the geometric mean of 3 and 15

Answer 1

Geometric mean of \(a\) and \(b\) is given by:

\[G.M. = \sqrt{ab}\]

Here a = 3 and b = 15..

Answer 2

Can you find now??

Answer 3

@nonna14 you are allowed to reply..

Answer 4

i know. sorry. um ... i'm not sure how to do that, because 15*3 = 45. and 45 squared is 6.7 ... that's not one of my options

Answer 5

Are your answers in radical form ??

Answer 6

\[\sqrt{45} = \sqrt{3 \times 3 \times 5} = ??\]

Answer 7

so 3 spuared 5 would be the right answer ??

Answer 8

Yes..

\[\implies 3 \sqrt{5}\]

Answer 9

ok. thank you so much !

Answer 10

Welcome dear..