what is the unit vector along i^+j^
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Explanation:
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∣=
i
2
+j
2
+2ijcos90
o
1+1
=
2
hence, unit vector along (i+j)is
√2
(i+j)
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