Question

Find a unit vector in direction of the vector 3i^+4j^.​

Answer 1

Answer:

3is unit vector for i^ and 4 is for j

Answer 2

let V= 3i+4j

magnitude of v=|v|=

\sqrt{3 {}^{2} } + \sqrt{4 {}^{2} }

3

2

+

4

2

\sqrt{25}

25

=5

v=x|v| where is the unit vector along v

x=v/|v|=3/5i+4/5j