If $$\sqrt x $$- $$\sqrt y $$= 1, $$\sqrt x $$+ $$\sqrt y $$= 17, then – McqOptions

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1.	If $$\sqrt x $$- $$\sqrt y $$= 1, $$\sqrt x $$+ $$\sqrt y $$= 17, then $$\sqrt {xy} $$= ?
A.	$\sqrt {72} $$
B.	2
C.	2
D.	4
Answer» C. 2

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