Question 34

Mathematics Tangents and Normals Hard

The number of common tangents to the circle \(x^2+y^2=4\) and \(x^2+y^2-6x-8y=24\) is

(A) 0
(B) 1
(C) 3
(D) 4
View Dynamic Solution & Explanation
Correct Solution: Option B

Step-by-step Solution:

Centre and radius of the first circle are (0, 0) and 2. Centre and radius of the second circle are (3, 4) and 5. Both the circle touch internally, hence there will be only one common tangent.