|Jun9-12, 08:21 AM||#1|
Equation normal to plane
I'm having trouble finding the equation normal to the plane for part (ii).
The vector equation I got for part (i) is r=(1/2,1,2/3) + t(3/2,2,-2/3). How do you deduce the normal vector from this? The answer is the vector (9,12,-4). I've tried anything but don't know where they got this result.
|Jun9-12, 02:33 PM||#2|
They used your (3/2,2,-2/3) and multiplied by 6 to clear the denominator.
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