In this lesson, we will learn how to find the parametric equations of straight lines in space.

Q1:

Write the equation of the straight line 𝐿 passing through the points 𝑃=(4,1,5) and 𝑃=(−2,1,3) in parametric form.

Q2:

Which of the following are the parametric equations of the line through point 𝐴(−8,8) with a direction perpendicular to vector u=⟨−6,7⟩?

Q3:

Find the parametric equations of the straight line 3𝑥−7−9=8𝑦−34=−8−6𝑧−9.

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