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If `log_(1/2) (x^2 – 5x + 7)` > 0, then exhaustive range of values of x is

If `log_(1/2) (x^2 – 5x + 7)` > 0, then exhaustive range of values of x is

A.

`(-oo,2)uu(3,oo)`

B.

(2,3)

C.

`(-oo,1)uu(1,2)uu(2,oo)`

D.

None of these
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