JEE Main 2021 Mathematics question
Let and be the radii of the largest and smallest circles, respectively, which pass through the point (–4,1) and having centres on the circumference of the circle . If , then a + b is equal to -
Answer: (C)
Let and be the radii of the largest and smallest circles, respectively, which pass through the point (–4,1) and having centres on the circumference of the circle . If , then a + b is equal to -