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I understand part(a) but struggling with part(b). Can I have help? Thanks in advance.

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- Jun 19th 2008, 01:32 AMSimplicityPlanesQuote:

Originally Posted by**Question**

I understand part(a) but struggling with part(b). Can I have help? Thanks in advance. - Jun 19th 2008, 02:01 AMmr fantastic
One approach:

1. Get the Cartesian equation of the plane H: ax + by +cz = d.

2. Get a parametric equation of the line found in (a): x = x(t), y = y(t), z = z(t).

3. Substitute x = x(t), y = y(t), z = z(t) into ax + by +cz = d and solve for t.

4. Substitute the value of t into x = x(t), y = y(t), z = z(t). These are the required coordinates of E.