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In the line 3x-y= k is a tangent to th...

In the line ` 3x-y= k ` is a tangent to the hyperbola ` 3x^(2) -y^(2) =3 `,then k =

A

`pm sqrt7`

B

`pm sqrt3`

C

`pm sqrt5`

D

`pm sqrt6`

Text Solution

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The correct Answer is:
D
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  12. The radius of the director circle of the hyperbola x^2//25-y^(2)//9=1 ...

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  13. The radius of the auxiliary circle of the hyperbola x^(2)//25-y^(2)//9...

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  14. The equation of the normal to the hyperbola x^(2)-4y^2=5 at (3,-1) is

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  17. The chords of contact al P.w.r.t. x^(2)-y^(2)=a^2 and x^(2)+y^(2)=a^(2...

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