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Tangents are drawn to the hyperbola x^...

Tangents are drawn to the hyperbola ` x^(2)/9 - y^(2)/4` parallel to the straight line 2x - y= 1 . One of the points of contact of tangents on the hyperbola is `

A

`((9)/(2 sqrt2) (1)/(sqrt2))`

B

`((-9)/(2 sqrt2) , (1)/(sqrt2))`

C

`((9)/(2sqrt2) , (1)/(sqrt2))`

D

`(3 sqrt3 , - 2 sqrt2)`

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