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If the points (1, 1, p) and (– 3, 0, 1) ...

If the points (1, 1, p) and (– 3, 0, 1) be equidistant from the plane `vecr cdot(3hati+4hatj-12hatk) + 13 = 0` then find the value of p.

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The correct Answer is:
`7/3`
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