Medium
Find the equation of the line perpendicular to the line $ax + by + c = 0$ and passing through the point $(a, b)$.
- A$bx - ay + (a^2 - b^2) = 0$
- B$bx - ay - (a^2 - b^2) = 0$
- C$bx - ay = 0$
- DNone of these
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