Number of points from where perpendicular tangents can be drawn to the curve `x^2/16-y^2/25=1` is

Number of points from where perpendicular tangents can be drawn to hyperbola, 25 x^(2)-16y^(2)=400

Number of perpendicular tangents that can be drawn on the ellipse (x^(2))/(16)+(y^(2))/(25)=1 from point (6, 7) is

Number of perpendicular tangents that can be drawn on the ellipse (x^(2))/(16)+(y^(2))/(25)=1 from point (6, 7) is

If eight distinct points can be found on the curve |x|+|y|=1 such that from eachpoint two mutually perpendicular tangents can be drawn to the circle x^2+y^2=a^2, then find the range of adot

If eight distinct points can be found on the curve |x|+|y|=1 such that from eachpoint two mutually perpendicular tangents can be drawn to the circle x^2+y^2=a^2, then find the tange of adot

If eight distinct points can be found on the curve |x|+|y|=1 such that from eachpoint two mutually perpendicular tangents can be drawn to the circle x^2+y^2=a^2, then find the range of adot

The points on the hyperbola x^(2)/a^(2) - y^(2)/b^(2) = 1 from where mutually perpendicular tangents can be drawn to circle x^(2) + y^(2) = a^(2)/2 is /are