Question

The unit vector along icap +jcap

Answer 1

unit vector along ( i + j) is ( i + j)/| i + j|
|i + j | is magnitude of ( i + j)
we know,
i and j are perpendicular to each other
So, |i + j| = √(i² + j² + 2.I.j.cos90°)
= √( 1 + 1) = √2
hence, unit vector along (i + j) is (i + j)/√2

Answer 2

Answer:

unit vector along ( i + j) is ( i + j)/| i + j|

|i + j | is magnitude of ( i + j)

we know,

i and j are perpendicular to each other

So, |i + j| = √(i² + j² + 2.I.j.cos90°)

= √( 1 + 1) = √2

hence, unit vector along (i + j) is (i + j)/√2

Read more on Brainly.in - https://brainly.in/question/1363757#readmore

Explanation: