Question
Mathematics Question on Circle
The equation of tangent to the circle (x-5)2+y2 = 25 at (2, 4) is
A
3x-4y+10=0
B
x+y=6
C
2x-y=0
D
3x-2y+2=0
E
3x-4y-10=0
Answer
3x-4y+10=0
Explanation
Solution
The correct option is (A) : 3x-4y+10=0
The equation of tangent to the circle (x-5)2+y2 = 25 at (2, 4) is
3x-4y+10=0
x+y=6
2x-y=0
3x-2y+2=0
3x-4y-10=0
3x-4y+10=0
The correct option is (A) : 3x-4y+10=0