Q .     If `3^x = 4^(x-1)` Then `x=`

JEE 2012 Mains
A

`(2 log_3 2)/(2log_3 2 -1)`

B

`(2 )/(2-log_ 2 3 )`

C

`1/(1-log_4 3 )`

D

`(2 log_2 3)/(2log_2 3 -1)`

HINT

Taking ` log` on both sides we get
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