[" Q12.Let "i" and "6" be two unit vectors.If the vectors "],[" perpendic."]

s.Given two vectors are i-j and i+2j the unit,vector coplanar with the two vectors and perpendicular to first is

Given that i-j,i-2j are two vectors.Find a unit vector coplanar with these vectors and, perpendicular to the first vector i-j. Find also the unit vector which is perpendicular to the plane of the two given vectors.

Let veca and vecb be two unit vectors and theta is the angle between them. Then veca+vecb is a unit vector if :

Let veca and vecb be two unit vectors and theta is the angle between them. Then veca+vecb is a unit vector if:

Given, two vectors are hat(i)-hat(j) and hat(i)+2hat(j) , the unit vector coplanar with the two vectors and perpendicular to first is