Show that the points A, B and C having position vectors 
and 
respectively, form the vertices of a right-angled triangle.
Tip – For any 2 perpendicular vectors 
& 
, 
The triangle is right-angled.
1
Show that the points A, B and C having position vectors and respectively, form the vertices of a right-angled triangle.
Tip – For any 2 perpendicular vectors & ,
The triangle is right-angled.