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For any ral number b, let f (b) denotes ...

For any ral number b, let f (b) denotes the maximum of `| sin x+(2)/(3+sin x)+b|AAxx x in R.` Then the minimum valur of `f (b)AA b in R`is:

A

`1/2`

B

`3/4`

C

`1/4`

D

`1`

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The correct Answer is:
B
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