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The point (0, 0) lie ___________ the circle x^2+y^2-2x-4y=0.(a) inside circle(b) outside circle(c) on the circle(d) either inside or outsideThis question was addressed to me in a job interview.This interesting question is from Conic Sections topic in section Conic Sections of Mathematics – Class 11

Answer»

The correct OPTION is (c) on the circle

The best I can EXPLAIN: Circle has equation x^2+y^2-2x-4y=0.

0^2+0^2-2*0-4*0+0 = 0 so, point is on the circle.



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