The equations of two equal sides of an isosceles triangle are $7x - y + 3 = 0$ and $x + y - 3 = 0$ and the third side passes through the point $(1, -10)$. The equation of the third side is
The equations of two equal sides of an isosceles triangle are $7x - y + 3 = 0$ and $x + y - 3 = 0$ and the third side passes through the point $(1, -10)$. The equation of the third side is
- [IIT 1984]
- A
$y = \sqrt 3 x + 9$ but not $y = -\sqrt 3 x + 9$
- B
$3x + y + 7 = 0$ but not $3x + y - 7 = 0$
- C
$3x + y + 7 = 0$ or $x - 3y - 31 = 0$
- D
Neither $3x + y + 7$ nor $x - 3y - 31 = 0$
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