A straight line touches the circle described on the line joining the foci of the hyperbolax^(2)//a^(2) -y^(2)//b^(2) =1as diameter . The locus of polesw.r.t. the hyperbola is

A straight line touches the circle described on the line joining the f

1.	A straight line touches the circle described on the line joining the foci of the hyperbolax^(2)//a^(2) -y^(2)//b^(2) =1as diameter . The locus of polesw.r.t. the hyperbola is
Answer» ` (X^(2))/(a^(4)) +(y^(2))/( b^(4)) =(1)/( a^(2)+b^(2))` ` (x^(2) )/( a^(4)) +(y^(2))/( b^(4)) =(1)/(a^(2)-b^(2)) ` ` (x^(2))/(a^(4)) -(y^(2))/(b^(4))=(1)/(a^(2)+b^(2))` ` (x^(2))/(a^(4))-(y^(2))/(b^(4))=(1)/(a^(2)-b^(2))` Answer :A

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A straight line touches the circle described on the line joining the foci of the hyperbolax^(2)//a^(2) -y^(2)//b^(2) =1as diameter . The locus of polesw.r.t. the hyperbola is

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