Question
Mathematics Question on Tangents and Normals
The equation of the tangent to the circle x2 + y2 = 25 at (4,3) is
A
4x-3y=25
B
4x+3y=25
C
4x+3y=16
D
4x+3y=9
Answer
4x+3y=25
Explanation
Solution
The correct option is (B): 4x+3y=25
The equation of the tangent to the circle x2 + y2 = 25 at (4,3) is
4x-3y=25
4x+3y=25
4x+3y=16
4x+3y=9
4x+3y=25
The correct option is (B): 4x+3y=25