The Student Room Group

Finding Normal vector to a plane

Struggling to understand how you are meant to find the normal vector to a plane in CP1? Any help would be appreciated
Reply 1
Original post by Mcfc23
Struggling to understand how you are meant to find the normal vector to a plane in CP1? Any help would be appreciated

What are you told about the plane / whats the actual question?
Reply 2


So The eqtn of the plane is:
Reply 3
Original post by Mcfc23

So The eqtn of the plane is:

The normal is perpendicular to the two direction vectors, so cross/vector product if youve done that or the dot product with each vector.
Reply 4
Original post by mqb2766
The normal is perpendicular to the two direction vectors, so cross/vector product if youve done that or the dot product with each vector.

Ok thank you

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