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One root of the equation cosx-x+1/2=0 li...

One root of the equation cosx-x+1/2=0 lies in the interval

A

`[0, pi/2]`

B

`[-pi/2, 0]`

C

`[pi/2, pi]`

D

`[pi, (3pi)/2]`

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The correct Answer is:
A
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