The mean proportional between $$\left( {3 + \sqrt 2 } \right)$$and $$\left( {12 - \sqrt {32} } \right)$$is-

The mean proportional between $$\left( {3 + \sqrt 2 } \right)$$and $$\

1.	The mean proportional between $$\left( {3 + \sqrt 2 } \right)$$and $$\left( {12 - \sqrt {32} } \right)$$is-
A.	$\sqrt 7 $$
B.	${\text{2}}\sqrt 7 $$
C.	${\text{6}}\sqrt 7 $$
D.	$\frac{{15 - 3\sqrt 2 }}{2}$$
Answer» C. ${\text{6}}\sqrt 7 $$