The number of tangents drawn from point `(-5,3)` to the hyperbola `(x^2)/(25)-(y^2)/9=1` are 0 (2) 1 (3) 2 3 (5) 4

The number of tangents drawn from point (-5,3) to the hyperbola (x^(2))/(25)-(y^(2))/(9)=1 are 0 (2) 1 (3) 2 (5) 4

The number of tangents that can be drawn from the point (6, 2) on the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 is

The sum of the y - intercepts of the tangents drawn from the point (-2, -1) to the hyperbola (x^(2))/(3)-(y^(2))/(2)=1 is

The sum of the y - intercepts of the tangents drawn from the point (-2, -1) to the hyperbola (x^(2))/(3)-(y^(2))/(2)=1 is

Angle between the tangents drawn from the point (5,4) to the ellipse (x^(2))/(25)+(y^(2))/(16) = 1 is

If tangents drawn from the point (a ,2) to the hyperbola (x^2)/(16)-(y^2)/9=1 are perpendicular, then the value of a^2 is _____

If tangents drawn from the point (a ,2) to the hyperbola (x^2)/(16)-(y^2)/9=1 are perpendicular, then the value of a^2 is _____