If 1, log (4) ( 2 ^(1-x) + 1), log (2) (...

If `1, log _(4) ( 2 ^(1-x) + 1), log _(2) ( 5.2 ^(x) + 1)` are in AP,
then the value of x is :

A

`log _(2) ((1)/(2))`

B

`log _(2) ((5)/(2))`

C

`log _(2) ((1)/(5))`

D

`log _(2)((2)/(5))`

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The correct Answer is:

D

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