The unit vector perpendicular to the plane $4x - 3y + 12z = 15$ is
- A$\frac{4\hat{i} + 3\hat{j} + 12\hat{k}}{13}$
- B$\frac{4\hat{i} - 3\hat{j} + 12\hat{k}}{13}$
- C$\frac{-4\hat{i} + 3\hat{j} + 12\hat{k}}{13}$
- D$\frac{-4\hat{i} - 3\hat{j} + 12\hat{k}}{13}$
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