Question

If a 21 + 3 9 , B 2 + 3 , the vector component of B along Ă.
(PROCEDURE NEEDED.)
FORMULA ,
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Answer 1

Answer:

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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