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Byju's Answer
Standard XII
Physics
Comparing Vectors
Find the proj...
Question
Find the projection of the vector
ˆ
i
−
ˆ
j
on the vector
ˆ
i
+
ˆ
j
.
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Solution
Let
→
a
=
ˆ
i
−
ˆ
j
→
b
=
ˆ
i
+
ˆ
j
Now, projection of vector
→
a
on
→
b
is
1
|
→
b
|
(
→
a
.
→
b
)
=
1
√
1
+
1
(
1
−
1
)
=
0
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