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If a, b, c, are positive real numbers an...

If a, b, c, are positive real numbers and `log_(4) a=log_(6)b=log_(9) (a+b)`, then `b/a` equals

A

`3/2`

B

`2/3`

C

`((1+sqrt(5)))/2`

D

`sqrt(15)/2`

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The correct Answer is:
C
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