If the line `3 x +4y =sqrt7` touches the ellipse `3x^2 +4y^2 = 1,` then the point of contact is

2x +sqrt6y=2 touches the hyperbola x^2-2y^2=4 , then the point of contact is :

If x=7 tonches the circle x^(2)+y^(2)-4 x-6 y-12=0 then the point of contact is

The line 2 x+3 y=12 touches the ellipse 4 x^(2)+9 y^(2)=72 at

If x+ 3y + k = 0 touches the ellipse x^2/64 + y^1/4= 1 then the value of k is

If the straight line 3x + 4y = k touches the circle x^(2) + y^(2) = 16 x , then the values of k are

If the straight line 3x + 4y = k touches the circle x^2+y^2-10x = 0, then the value of k is:

The foci of the ellipse 4 x^(2)+3 y^(2)=24 are the points

If a circle with the point (-1, 1) as the centre touches the line x + 2y + 9 = 0, then the co-ordinates of the point of contact are:

The curve x^(2)/25 + y^(2)/16 = 2 touches the line x/5 + y/4 = 2 at the point

The line y=x+a sqrt(2) touches the circle x^(2)+y^(2)=a^(2) at the point