Question

a vector when added to the resultant of the vector =-5+_7 and =+4-3 gives a unit vector along y axis. find vector​

Answer 1

Answer:

It is given in question that resultant vector R is unit vector along y-axis.

So, R = 0i + j + 0k.

A + B + X = R

X = R -( A + B)

= 0i + j + 0k -( 3i -5j + 7k + 2i +4j-3k)

= 0i + j + 0k -5i +j -4k

= -5i +2j -4k (Ans)