If y-axis touches the circle {x}^{2}+{y}^{2}+{gx}+{fy}+ \frac{{c}}{4}=0,then the normal at this point intersects the circle at the point [NDA II 2018]

Correct Answer is : (−g,−f2)

UPSC NDA II 2018 Mathematics Solved Paper

Question : 62 of 120

Marks: +1, -0

If y-axis touches the circle x2+y2+gx+fy+‌‌

=0,then the normal at this point intersects the circle at the point

[NDA II 2018]

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