As a tangent is a straight line it is described by an equation in the form \(y - b = m(x - a)\). You need both a point and the gradient to find its equation. You are usually given the point - it's ...

Here, we are providing you the important concepts, formulae and some previous years solved questions related to Circle for JEE Main and JEE Advanced 2019. About 1-2 questions are being asked in the ...

Learn how to find the equation of a circle and use the discriminant to prove for tangency in intersections for Higher Maths.