If a 21 + 3 9 , B 2 + 3 , the vector component of B along Ă.
(PROCEDURE NEEDED.)
FORMULA ,
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Answer
Correct option is
C
2
5
Given:
A
=2
i
^
+3
j
^
B
=
i
^
+
j
^
⇒ ∣
B
∣=
1
2
+1
2
=
2
A
.
B
=(2
i
^
+3
j
^
).(
i
^
+
j
^
)=2+3=5
Component of vector
A
along vector
B
is, ∣
X
∣=
∣
B
∣
A
.
B
⇒∣
X
∣=
2
5
Explanation:
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