Circle And System Of Circles Question 33
Question: The equation of polar of the point (1, 2)with respect to the circle $ x^{2}+y^{2}=7 $ , is
[RPET 1983, 84; MNR 1973]
Options:
A) $ x-2y-7=0 $
B) $ x+2y-7=0 $
C) $ x-2y=0 $
D) $ x+2y=0 $
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Answer:
Correct Answer: B
Solution:
The required polar is $ x(1)+y(2)=7 $ or $ x+2y=7 $ .
BETA
