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Question
If tan-1 x – tan-1 y = tan-1 A, then A is equal to ____________.
Options
x - y
x + y
`("x" - "y")/(1 + "xy")`
`("x" + "y")/(1 - "xy")`
MCQ
Fill in the Blanks
Solution
If tan-1 x – tan-1 y = tan-1 A, then A is equal to `underline(("x" - "y")/(1 + "xy"))`.
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