If two tangents can be drawn to the diff...

If two tangents can be drawn to the differentanches of hyperbola `x^2/1-y^2/4=1` from the point `(alpha,alpha^2)` then

`alpha in (-2, 0)`

`alpha in (0, 2)`

`alpha in (-infty, -2)`

`alpha in (2, infty)`

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The correct Answer is:

C, D

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