Question

. If the circle x2 + y2 + 2gx + 2y + c = 0 (c > 0)
touches the y-axis, then which one of the
following is correct?
(A) g=- -✓c only
(B) g = +-✓c
(C) f= Veon+✓c
(D) f=+Vc​

Answer 1

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