Question

write the center of the general equation of the circle x²+y²+2gx+2fy+c=0 is​

Answer 1

Answer:

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Step-by-step explanation:

Solution Comparing this with the general equation of the circle, i.e. x2 + y2 + 2gx + 2fy + c = 0, we have g = –2, f = 3 and c = – 3. Example 7 Find the equation of the circle which touches the line 3x + 4y = 5 and has centre (2, 1). Solution We've been given the centre of the circle, but not the radius.