circle

Question: The straight line $x-y-3=0$ touches the circle ${{x}^{2}}+{{y}^{2}}-4x+6y+11=0$ at the point whose co-ordinates are

1) $(1,-2)$

2) $(1,\,2)$

3) $(-1,\,2)$

4) $(-1,-2)$

Solution:

Explanation: No Explanation

Tangent and normal to a circle

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