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The equation of the tangent to the curve...

The equation of the tangent to the curve `x = (t - 1)/(t + 1), y = (t + 1)/(t - 1)` at t = 2 is a)`x + 9y - 6 = 0` b)`9x - y - 6 = 0` c)`9x + y + 6 = 0` d)`9x + y - 6 = 0`

A

`x + 9y - 6 = 0`

B

`9x - y - 6 = 0`

C

`9x + y + 6 = 0`

D

`9x + y - 6 = 0`

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The correct Answer is:
D
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