A) a hyperbola
B) a parabola
C) a circle
D) an ellipse
Correct Answer: A
Solution :
A lineis tangent to hyperbola if . Lineis tangent to the hyperbola if So, locus of \[(\alpha ,\,\,\beta )\,\] is Since, this equation represents a hyperbola, so focus of a pointis a hyperbola.You need to login to perform this action.
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