\eqalign{ & {\text{If}}\,x = 3 + 2\sqrt 2 ,\,{\text{then}} \cr & {\text{the}}\,{\text{value}}\,{\text{of}}\,\left( {\sqrt x - \frac{1}{{\sqrt x }}} \right)\,{\text{is:}} \cr} $$%!

\eqalign{ & {\text{If}}\,x = 3 + 2\sqrt 2 ,\,{\text{then}} \cr & {\tex

1.	\eqalign{ & {\text{If}}\,x = 3 + 2\sqrt 2 ,\,{\text{then}} \cr & {\text{the}}\,{\text{value}}\,{\text{of}}\,\left( {\sqrt x - \frac{1}{{\sqrt x }}} \right)\,{\text{is:}} \cr} $$%!
A.	1
B.	2
C.	2‚Äö√ √∂2
D.	3‚Äö√ √∂3
Answer» C. 2‚Äö√ √∂2