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Find the image P' of the point P having position vector i + 3j + 4k in the plane vector r.(2i - j + k) + 3 = 0. Hence find the length of PP'.

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Find the image P' of the point P having position vector i + 3j + 4k in the plane vector r.(2i - j + k) + 3 = 0. Hence find the length of PP'.

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Let PT is perpendicular to given plane.

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