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in Mathematics by (122k points)
Suppose a point `(x_(1), y_(1))` satisfies `x^(2)+y^(2) + 2gx + 2fy + c= 0` then show that it
represents a circle whenever g, f and c
are real.
A.
B.
C.
D.

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1 Answer

0 votes
by (122k points)
Correct Answer - `= (x_(1) +g)^(2) + (y_(1) + f)^(2) ge 0`

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