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Which of the following when simplified reduces to unity? `(log)_(3/2)(log)_4(log)_(sqrt(3))81` `(log)_2 6+(log)_2sqrt(2/3)` `-1/6(log)_(sqrt(3/2))((64)/(27))` (d) `(log)_(7/2)(1+2-3-:6)`

A

`log _(3/2)log_(4)log_(sqrt(3))81`

B

`log_(2)+6log_(2)sqrt((2)/(3))`

C

`-1/6log_((sqrt(3))/(2))((64)/(27))`

D

`log_(7/2)(1+2-3-6)`

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