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Question
In the following cases, determine whether the given planes are parallel or perpendicular, and in case they are neither, find the angles between them.
2x – 2y + 4z + 5 = 0 and 3x – 3y + 6z – 1 = 0
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Solution
The equations of the given planes are 2x – 2y + 4z + 5 = 0 and 3x – 3y + 6z – 1 = 0
Thus, the given planes are parallel to each other.
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