{\rm{If}}\,{\log _x}\left( {{9 \over {16}}} \right) = - {1 \over 2},\, – McqOptions

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1.	{\rm{If}}\,{\log _x}\left( {{9 \over {16}}} \right) = - {1 \over 2},\,{\rm{then}}\,x\,{\rm{is}}\,{\rm{equal}}\,{\rm{to:}}$$?
A.	- 3/4
B.	3/4
C.	81/256
D.	256/81
Answer» E.

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