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Questions  >>  CBSE XII  >>  Math  >>  Model Papers
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Solve the following for x : \[ tan^{-1} \bigg( \frac{x-1}{x-2} \bigg) + tan^{-1} \bigg( \frac{x+1}{x+2} \bigg) = \frac{\pi}{4} \]

This question is Q.No.15 of sec, 2 chapter 2

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