circle

Question: The equation of a circle passing through points of intersection of the circles ${{x}^{2}}+{{y}^{2}}+13x-3y=0$ and $2{{x}^{2}}+2{{y}^{2}}+4x-7y-25=0$ and point (1, 1) is

1) $4{{x}^{2}}+4{{y}^{2}}-30x-10y-25=0$

2) $4{{x}^{2}}+4{{y}^{2}}+30x-13y-25=0$

3) $4{{x}^{2}}+4{{y}^{2}}-17x-10y+25=0$

4) None of these

Solution:

Explanation: No Explanation

System of circles

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