Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) let `C_1 x^2 + y^2 = (3+2sqrt2)^2` be circle. PA and PB are pair of tangents on `C_1` where P is any point on the direction circle of `C_1`. Then the radius of the smallest circle which touches `C_1` externally and also the two tangents PA and PB is – - Sarthaks eConnect

let `C_1 : x^2 + y^2 = (3+2sqrt2)^2` be circle. PA and PB are pair of tangents on `C_1` where P is any point on the direction circle of `C_1`. Then the radius of the smallest circle which touches `C_1` externally and also the two tangents PA and PB is :–

let `C_1 : x^2 + y^2 = (3+2sqrt2)^2` be circle. PA and PB are pair of tangents on `C_1` where P is any point on the direction circle of `C_1`. Then the radius of the smallest circle which touches `C_1` externally and also the two tangents PA and PB is :–

A.

1

B.

2

C.

3

D.

4

Solution

0 votes

Best answer

Let Q be the centre of the given circle and R be the centre of the smallest circle touching the given circle externally. Then