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## Homework Statement

When we're given an equation in form r = r

_{0}+ sa + tb, how do we convert it to scalar form Ax + By + Cz + D = 0?

I've been having trouble with plane form, but I can do it fine when its given in 2- or 3-D form.

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- Thread starter DespicableMe
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- #1

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When we're given an equation in form r = r

I've been having trouble with plane form, but I can do it fine when its given in 2- or 3-D form.

- #2

Mark44

Mentor

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## Homework Statement

When we're given an equation in form r = r_{0}+ sa + tb, how do we convert it to scalar form Ax + By + Cz + D = 0?

I've been having trouble with plane form, but I can do it fine when its given in 2- or 3-D form.

In your vector equation,

The vector

Once you have a normal to the plane and a point on it, the equation of the plane is

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