If xy \neq 0, what is the value of {{1}\over{x}}+{{1}\over{y}} ?
(1) {{1}\over{(x+y)}}=-1
(2) xy=6(x+y)
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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 statement TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
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DEACH statement ALONE is sufficient.
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EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: B