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If "tan"^(-1)((x-2)/(x-4))+"tan"^(-1)((x...

If `"tan"^(-1)((x-2)/(x-4))+"tan"^(-1)((x+2)/(x+4))=pi/(4)`, then find ther value of x.

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The correct Answer is:
` sqrt(2)and - sqrt(2)` are the required values of x
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