Q6 of 44 Page 1057

Find the unit vectors perpendicular to the plane of the vectors

and


Let be the vector which is perpendicular to then we have,


…where k is a scalar


Thus, we have r is a unit vector,


So,


We have,



Here,


We


have


⇒


Thus, substituting the values of ,


in equation (i) we get


⇒


⇒


⇒



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