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Question
If tan-1 (x – 1) + tan-1 x + tan-1 (x + 1) = tan-1 3x, then the values of x are ____________.
Options
`pm 1/2`
`0, 1/2`
`0, -1/2`
`0, pm1/2`
MCQ
Fill in the Blanks
Solution
If tan-1 (x – 1) + tan-1 x + tan-1 (x + 1) = tan-1 3x, then the values of x are `underline(0, pm1/2)`.
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