4 JEE Main 2018 Circle previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 previous-year questions from the Circle chapter of Mathematics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Circle chapter hub.
The tangent to the circle C₁: x²+y²-2 x-1=0 at the point (2,1) cuts off a chord of length 4 from a circle C₂ whose cent…
If a circle C , whose radius is 3 , touches externally the circle x 2 + y 2 + 2 x - 4 y - 4 = 0 at the point 2 , 2 , th…
A circle passes through the points (2,3) and (4, 5). If its centre lies on the line, y-4 x+3=0, then its radius is equa…
A circle passes through the points 2 , 3 and 4 , 5 . If its centre lies on the line y - 4 x + 3 = 0 , then its radius i…