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If m is the AM of two distinct real numbers l and n `(l,ngt1)` and `G_(1),G_(2)" and "G_(3)` are three geometric means between l and n, then `G_(1)^(4),2G_(2)^(4),G_(3)^(4)` equals

A

`4l^(2)mn`

B

`4lm^(2)n`

C

`4lmn^(2)`

D

`4l^(2)m^(2)n^(2)`

Text Solution

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The correct Answer is:
B
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