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The general solution of the equation ta...

The general solution of the equation ` tan^(2)(x + y) + cot^(2) ( x+ y) = 1 - 2x - x^(2) ` lie on the line is :

A

` x = -1 `

B

` x = -2 `

C

` y = -1`

D

`y = -2 `

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The correct Answer is:
A
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