If the ratio of A.M. between two positive real numbers \[a\] and \[b\]to their H.M. is \[m:n\], then \[a:b\] is

\[\frac{\sqrt{m-n}+\sqrt{n}}{\sqrt{m-n}-\sqrt{n}}\]

\[\frac{\sqrt{n}+\sqrt{m-n}}{\sqrt{n}-\sqrt{m-n}}\]

\[\frac{\sqrt{m}+\sqrt{m-n}}{\sqrt{m}-\sqrt{m-n}}\]

If the ratio of A.M. between two positive real numbers \[a\] and \[b\]

1.	If the ratio of A.M. between two positive real numbers \[a\] and \[b\]to their H.M. is \[m:n\], then \[a:b\] is
A.	\[\frac{\sqrt{m-n}+\sqrt{n}}{\sqrt{m-n}-\sqrt{n}}\]
B.	\[\frac{\sqrt{n}+\sqrt{m-n}}{\sqrt{n}-\sqrt{m-n}}\]
C.	\[\frac{\sqrt{m}+\sqrt{m-n}}{\sqrt{m}-\sqrt{m-n}}\]
D.	None of these
Answer» D. None of these

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If the ratio of A.M. between two positive real numbers \[a\] and \[b\]to their H.M. is \[m:n\], then \[a:b\] is

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