Find the value of p, so that the lines
and
are perpendicular to each other. Also find the equations of a line passing through a point (3, 2, –4) and parallel to line l1.
Given:
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The equation of line can be rewritten as:

Vector form of L1:
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Vector form of L2 :
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P = 7 …(1)
Now let the line passing through point (3,2,-4) and parallel to L1 be L’.
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(as L' is parallel to L1 and we can neglect the constant v
because it is deciding magnitude only.)
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