[" The unit vector along "hat i+j" is: "],[[" (1) "hat i," (2) "hat i+hat j],[" (3) "(hat i+j)/(sqrt(2))," (4) "(i+j)/(2)]]

The unit vector along hat(i)+hat(j) is

Unit vector along 3hat(i)+3hat(j) is

Unit vector along 3hat(i)+3hat(j) is

The unit vector along vec(A)= 2 hat i + 3 hat j is :

The unit vector along vec(A)= 2 hat i + 3 hat j is :

The unit vector along vec(A)=2hat(i)+3hat(j) is :

The unit vector along vec(A)=2hat(i)+3hat(j) is :

Unit vector along the vector hat(i) + hat(j) + hat(k) is

A non-zero vector vec a is such that its projections along vectors ( hat i+ hat j)/(sqrt(2)),(- hat i+ hat j)/(sqrt(2)) and hat k are equal, then unit vector along vec a is a. (sqrt(2) hat j- hat k)/(sqrt(3)) b. ( hat j-sqrt(2) hat k)/(sqrt(3)) c. (sqrt(2))/(sqrt(3)) hat j+( hat k)/(sqrt(3)) d. ( hat j- hat k)/(sqrt(2))

A non-zero vector vec a is such that its projections along vectors ( hat i+ hat j)/(sqrt(2)),(- hat i+ hat j)/(sqrt(2)) and hat k are equal, then unit vector along vec a is a. (sqrt(2) hat j- hat k)/(sqrt(3)) b. ( hat j-sqrt(2) hat k)/(sqrt(3)) c. (sqrt(2))/(sqrt(3)) hat j+( hat k)/(sqrt(3)) d. ( hat j- hat k)/(sqrt(2))