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The equation of a tangent to the hyperbo...

The equation of a tangent to the hyperbola `9x^2 - 12y^2 = 144` parallel to the line `x- y=5` is:

A

x - y = 3

B

x - y - 2 = 0

C

x + y - 4 = 0

D

x - y - 8 = 0

Text Solution

Verified by Experts

The correct Answer is:
B
`y = mx pm sqrt( 16m^2 - 12) `
` m = 1`
` y = x pm 2`
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