Question

The unit vector along x + yj is a. 1 b. +y x + y) d. fr - y ter Оа Ob Ос Od​

Answer 1

Answer:

As

A

+

B

is a unit vector along x axis.

So,

A

+

B

=

i

^

or,

i

^

−

j

^

+

k

^

+

B

=

i

^

or,

B

=

j

^

−

k

^