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Find the range of f(x)=1/(2abscosx-3)...

Find the range of `f(x)=1/(2abscosx-3)`

Text Solution

Verified by Experts

The correct Answer is:
[-1, 1/3]
`0leabscosxle1`
`rArr 0le2abscosxle2`
`rArr-3le2abscosx-3le-1`
`rArr 1/(2abs(cosx)-3)in[-1,-1//3]`
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