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parallel planes

Which of the following planes are parallel? Are any of them identical?

P1: 4x - 2y - 6z = 3

P2: 4x - 2y - 2z = 6

P3: -6x + 3y -9z = 5

P4: z = 2x - y - 3

please explain each step in detail

Solution Preview

a) Planes P1 & P2 Intersect. If you subtract P1 from P2 you will get 4z = 9. This means they have a point of intersection at Z = 2.25 and hence not ...

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