February 23, 2017

Homework Help: Calc.

Posted by Derek on Wednesday, July 9, 2008 at 2:23pm.

I am so confused with this last part of the unit! What in the world is going on: Use normal vectors to determine the interaction, if any, for each of the following pairs of planes. Give a geometric interpretation in each case and the number of solutions for the corresponding system of linear equations. If the planes intersect in a line, determine a vector equation of the line. (Note, you don't have to answer all three, just one would be great, so I can see what you did).
a.) x + 2y + 3z = −4
2x + 4y + 6z = 10

b.)2x − y + 2z = −8
4x − 2y + 4z = −16

c.) x + 3y − 5z = −12
2x + 3y − 4z = −6

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