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  • Find the radical axis of the two circles <img alt="x^{2}+y^{2}+4 x+6 y+9=0" src="https://entrancecorner.oncodecogs.com/gif.latex?x%5E%7B2%7D&plus;y%5E%7B2%7D&plus;4%20x&plus;6%20y&

Find the radical axis of the two circles x^{2}+y^{2}+4 x+6 y+9=0 and x^{2}+y^{2}+3 x+8 y+10=0

Option: 1

x-2 y-3=0


Option: 2

x-2y-1=0


Option: 3

x-3 y+3=0


Option: 4

2x-3 y+3=0


Answers (1)

best_answer

\\\text{The equation of the radical axis is} \\ \left(x^{2}+y^{2}+4 x+6 y+9\right)-\left(x^{2}+y^{2}+3 x+8 y+10\right)=0 \\ \Rightarrow \quad x-2 y-1=0

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Shailly goel

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