If tangent of `y^(2)=x` at `(alpha,beta)`, where `betagt0` is also a tangent of ellipse `x^2+2y^(2)=1` then value of `alpha` is

If tangent of y^(2)=x at (alpha,beta) , where betagt0 is also a tangent of ellipse x^(1)2y^(2)=1 then value of alpha is

If tangent of y^(2)=x at (alpha,beta) , where betagt0 is also a tangent of ellipse x +2y^(2)=1 then value of alpha is

If tangent of y^(2)=x at (alpha,beta), where beta>0 is also a tangent of ellipse x^(2)+2y^(2)=1 then value of alpha is

If the tangent to the parabola y^(2)-4x at a point (alpha,beta).(beta>0) is also a tangent to the ellipse, (x^(2))/(4)+(y^(2))/(3)=1 then alpha is equal to:

If x cos alpha +y sin alpha = 4 is tangent to (x^(2))/(25) +(y^(2))/(9) =1 , then the value of alpha is

If x cos alpha +y sin alpha = 4 is tangent to (x^(2))/(25) +(y^(2))/(9) =1 , then the value of alpha is

If x cos alpha +y sin alpha = 4 is tangent to (x^(2))/(25) +(y^(2))/(9) =1 , then the value of alpha is

If x cos alpha +y sin alpha = 4 is tangent to (x^(2))/(25) +(y^(2))/(9) =1 , then the value of alpha is

If the straight line y= x sin alpha + a sec alpha is a tangent to the circle x^(2) + y^(2) = a^(2) then-