The line r=a+tb and the plane r.n=p. b.n is not equal to zero. Prove that the position vector of the point of intersection of the line and plane is I have no idea how to start this. Thanks
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Originally Posted by arze The line r=a+tb and the plane r.n=p. b.n is not equal to zero. Prove that the position vector of the point of intersection of the line and plane is Use the equation . That is the value of the point of intersection. Now substitute it into the line.