Questions
The tangent to which is parallel to axis and does not lie in the third quadrant touches the circle at the point
detailed solution
Correct option is A
The equation of a tangent parallel to y-axis is x = c.This touches x2+y2=9. Therefore, c=±3.Thus, the equations of the tangents are x=±3.Clearly, x = 3 is the tangent not lying in the third quadrant and it meets the circle at (3, 0).Talk to our academic expert!
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The area of the quadrilateral formed by the tangents from the point (2, -1) to the circle
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