calculus
posted by lines & planes .
Find an equation of the plane through the point and perpendicular to the given vector.
(7, 1, 5)
‹3, 1, 2›
I think I need the normal vector, but how do I find it? And then what do I do?
Thank you.

The equation of this plane is
3(x7)+1(y1)+2(z5)=0 or
3x+y+2z+10=0
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