then show that it * 6. Suppose a po...
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then show that it * 6. Suppose a point (x, y) satisfies x2 + y2 + 2gx + 2fy +C =0 then show represents a circle whenever g, f and c are real. 2...2.2ar 12 te=0.

JEE/Engineering Exams
Maths
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( x^{2}+2 g x+g^{2}-g^{2}+y^{2}+2 f y+f^{2}-f^{2}+c=0 ) ( Rightarrow quad(x+g)^{2}+(y+f)^{2}=g^{2}+f^{2}-c ) ( Rightarrow(x+g)+(y+f)^{2}=(sqrt{g^{2}+f^{2}-c})^{2} ) ( (sin 2)(x-10)^{2}+left(y-y_{0}right)^{2}=x^{2} ) ( Rightarrow ) Ifs anepn. of circe
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