If \[\mathbf{x=lo}{{\mathbf{g}}_{\mathbf{3}}}\mathbf{27}\] and \[\mathbf{y=lo}{{\mathbf{g}}_{\mathbf{9}}}\mathbf{27}\] then \[\frac{\mathbf{1}}{\mathbf{x}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{y}}\mathbf{=}\]______.

If \[\mathbf{x=lo}{{\mathbf{g}}_{\mathbf{3}}}\mathbf{27}\] and \[\math

1.	If \[\mathbf{x=lo}{{\mathbf{g}}_{\mathbf{3}}}\mathbf{27}\] and \[\mathbf{y=lo}{{\mathbf{g}}_{\mathbf{9}}}\mathbf{27}\] then \[\frac{\mathbf{1}}{\mathbf{x}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{y}}\mathbf{=}\]______.
A.	\[\frac{1}{3}\]
B.	\[\frac{1}{9}\]
C.	3
D.	1
Answer» E.

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If \[\mathbf{x=lo}{{\mathbf{g}}_{\mathbf{3}}}\mathbf{27}\] and \[\mathbf{y=lo}{{\mathbf{g}}_{\mathbf{9}}}\mathbf{27}\] then \[\frac{\mathbf{1}}{\mathbf{x}}\mathbf{+}\frac{\mathbf{1}}{\mathbf{y}}\mathbf{=}\]______.

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