The tangent to `x^(2)+y^(2)=9` which is parallel to y-axis and does not lie in the third quadrant touchers the circle at the point

The tangent to x^2 + y^2= 9 , which is parallel to y-axis and does not lie in the third quadrant, touches the circle at the point :

The tangent to the circle x^2 + y^2 = 9, which is parallel to y-axis and does not lie in the third quadrant, touches the circle at the point:

The equation of the tangents to the circle x^(2)+y^(2)=4 which are parallel to x-axis are

The equation of the tangents to the circle x^(2)+y^(2)=4 which are parallel to x-axis are

The point on the curve y=x^(2) is the tangent parallel to X-axis is

Which of the following point does not lie on the y-axis ?

The point on the curve x^2+y^2-2x-3=0 at which the tangent is parallel to x-axis is

Find the points on the curve x^2/9+y^2/16=1 which tangents are parallel to y-axis