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find the parametric equations of the line that passes through the point p(2,3,4)& parallel to the xz-plane

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    To be parallel to the xz plane, y must be constant. In this case, the constant is y = 3.

    There is more than one line parallel to the xz plane that passes through that point. If the z vs x slopes of the various possible slopes in the y=3 plane are denoted by m,

    z - 4 = m (x - 2)

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