Question

Find the equation of circle concentric with the circle x2

+ y2

+4x +6y + 11= 0 and

passing through the point P(5,4​

Answer 1

Answer:x2+y2+4x+6y−85=0

Solution :

Centre of the required circle is C(−2,−3).

The circle passes through the point P(5,4)

Radius =|CP|=√ −−−−−−−−−−−−−−−

                        (5=2)2+(4+3)2

√=72–√

∴ the required equation is (x+2)2+(y+3)2()=98

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

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