Question
Mathematics Question on Circle
The circle x2+y2−25=0 and 3(x2+y2)−30x−40)′+175=0 touch each other at
A
(1, 2).
B
(3,4)
C
(4,5)
D
(2,3).
Answer
(3,4)
Explanation
Solution
Answer (b) (3,4)
The circle x2+y2−25=0 and 3(x2+y2)−30x−40)′+175=0 touch each other at
(1, 2).
(3,4)
(4,5)
(2,3).
(3,4)
Answer (b) (3,4)