Circle And System Of Circles Question 49
Question: The equation of the chord of contact, if the tangents are drawn from the point (5, -3) to the circle $ x^{2}+y^{2}=10 $ , is
Options:
A) $ 5x-3y=10 $
B) $ 5x+3y=10 $
C) $ 3x+5y=10 $
D) $ 3x-5y=10 $
Show Answer
Answer:
Correct Answer: A
Solution:
It is $ xx_1+yy_1=a^{2} $ i.e., $ 5x-3y=10 $
BETA
