The locus of a point P(\[\alpha \],\[\beta \])moving under the condition that the line \[y=\alpha x+\beta \] is a tangent to the hyperbola \[\frac{{{x}^{2}}}{{{a}^{2}}}-\frac{{{y}^{2}}}{{{b}^{2}}}=1\]is

The locus of a point P(\[\alpha \],\[\beta \])moving under the conditi

1.	The locus of a point P(\[\alpha \],\[\beta \])moving under the condition that the line \[y=\alpha x+\beta \] is a tangent to the hyperbola \[\frac{{{x}^{2}}}{{{a}^{2}}}-\frac{{{y}^{2}}}{{{b}^{2}}}=1\]is
A.	An ellipse
B.	A circle
C.	A parabola
D.	A hyperbola
Answer» E.

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The locus of a point P(\[\alpha \],\[\beta \])moving under the condition that the line \[y=\alpha x+\beta \] is a tangent to the hyperbola \[\frac{{{x}^{2}}}{{{a}^{2}}}-\frac{{{y}^{2}}}{{{b}^{2}}}=1\]is

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