[hhh123]

Wite down normal vectors to the planes 2x -y +z=2 and x-z= 1



Am I having a blonde moment?! It's only worth like 1 mark..

[SBarns]

(Original post by hhh123)
Wite down normal vectors to the planes 2x -y +z=2 and x-z= 1



Am I having a blonde moment?! It's only worth like 1 mark..

Think about what the 'ax + by + cz = k' form tells us directly, that is, what do the coefficients a, b and c tell us?