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  • The point of contact of the line  with  <img alt="3 \mathrm x^2-4

The point of contact of the line \mathrm y=\mathrm x-1  with  3 \mathrm x^2-4 \mathrm y^2=12  is 

Option: 1

(-3,4)


Option: 2

(4,3)


Option: 3

(5,4)


Option: 4

(2,0)


Answers (1)

best_answer

Putting \mathrm y=\mathrm x-1  in the equation 3 \mathrm x^2-4 \mathrm y^2=12, we get

3 \mathrm x^2-4(\mathrm x-1)^2=12 \\

\mathrm{D}=0 \Rightarrow \mathrm{x}=4, \mathrm{y}=3

Hence (2) is the correct answer.

Posted by

sudhir.kumar

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