y-1=m1(x-3) and y - 3 = m2(x - 1) are tw...

`y-1=m_1(x-3) and y - 3 = m_2(x - 1)` are two family of straight lines, at right angled to each other. The locus of their point of intersection is: (A) `x^2 + y^2 - 2x - 6y + 10 = 0` (B) `x^2 + y^2 - 4x - 4y +6 = 0` (C) `x^2 + y^2 - 2x - 6y + 6 = 0` (D) `x^2 + y^2 - 4x - by - 6 = 0`

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`y-1=m_1(x-3) and y - 3 = m_2(x - 1)` are two family of straight lines, at right angled to each other. The locus of their point of intersection is: (A) `x^2 + y^2 - 2x - 6y + 10 = 0` (B) `x^2 + y^2 - 4x - 4y +6 = 0` (C) `x^2 + y^2 - 2x - 6y + 6 = 0` (D) `x^2 + y^2 - 4x - by - 6 = 0`

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