3.Find a unit vector in direction parallel to the sum of the vectors `vec a=2 hat i+4 hat j-5hat k and vec b=hat i+2hat j+3hat k`; find also the direction cosines of this vector.

Find a unit vector in direction parallel to the sum of the vectors vec a = 2 hat i+4 hat j-5 hatk and vec b= hati+ 2 hat j+ 3hat k . Find also the direction cosines of this vector.

Find a unit vector in direction parallel to the sum of the vectors vec(a)=2hat(i)+4hat(j)-5hat(k) " and " vec(b)=hat(i)+2hat(j)+3hat(k) , find also the direction cosines of this vector.

Find a unit vector in the direction of the sum of the vectors: vec a= 2 hat i+ 2 hat j+ 5 hat k and vec b= 2 hat i+ hat j- 3 hat k .

Find the unit vector in the direction of the sum of the vectors, vec a=2 hat i+2 hat j-5 hat k and vec b=2 hat i+ hat j+3 hat k .

Find a unit vector in the direction of the sum of the vectors: vec a= - hat i+ hat j+ hat k and vec b= 2 hat i+ hat j- 3 hat k .

Find a unit vector in the direction of the sum of vectors vec a = 2 hat i + 2 hat j - 5 hat k and vec b = 2 hat i + hat j + 3 hat k .

Write a unit vector in the direction of the sum of the vectors vec a=2hat i+2hat j-5hat k and vec b=2hat i+hat j-7hat k

Write a unit vector in the direction of the sum of the vectors vec a=2 hat i+2 hat j-5 hat k\ a n d\ vec b=2 hat i+ hat j-7 hat kdot

Find the unit vector in the direction of the sum of the vectors,vec a=2hat i+2hat j-5hat kvec b=2hat i+hat j+3hat k

Find a vector magnitude 5 units,and parallel to the resultant of the vectors vec a=2hat i+3hat j-hat k and vec b=hat i-2hat j+hat k