If (x=3+2 sqrt{2} ), then the value of (( sqrt{x}- frac{1}{ sqrt{x}}) ) is:

If (x=3+2 sqrt{2} ), then the value of (( sqrt{x}- frac{1}{ sqrt{x}}

1.	If (x=3+2 sqrt{2} ), then the value of (( sqrt{x}- frac{1}{ sqrt{x}}) ) is:
A.	1
B.	2
C.	2rootover2
D.	3rootover3
Answer» C. 2rootover2

(125 times 125 times 125 times 125 times 125 = 5^? )
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((256)^{0.16} times (256)^{0.09} = ? )