Let the tangent to the circle C_1:x^2+y^2=2 at the point M(-1,1) intersect the circle C_2 : (x-3)^2+(y-2)^2=5, at two distinct points A and B. If the…
JEE Main 2022 — Mathematics Coordinate Geometry
2022mcqhard
Let the tangent to the circle C1:x2+y2=2 at the point M(−1,1) intersect the circle C2 : (x−3)2+(y−2)2=5, at two distinct points A and B. If the tangents to C2 at the points A and B intersect at N, then the area of the triangle ANB is equal to
Official previous-year question
Held on 29 Jun 2022 · Verified 6 Jul 2026.
Options
A
21
B
32
C
61
D
35
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Solution
Let O(3,2) be the centre of the circle C2.
The tangent to the circle C1:x2+y2−2=0 at M(−1,1) is x−y+2=0
Now the perpendicular distance from O to the tangent is OP=∣23−2+2∣=23