x,y>0,$$\sqrt{x}$$-$$\sqrt{y}$$=?
1：$$\sqrt{x}$$-$$\sqrt{y}$$=8$$\sqrt{xy}$$
2：$$x^{2}$$-$$y^{2}$$=2xy
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AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
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BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
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CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: C