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प्रश्न
Select the correct option from the given alternatives:
`"tan"(2"tan"^-1 (1/5) - pi/4)` = ______
पर्याय
`17/7`
`-17/7`
`7/17`
`-7/17`
उत्तर
`"tan"(2"tan"^-1 (1/5) - pi/4) = -7/17`.
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