Question

ř and B²
are two vectors
given by
A = 27 +
3Î and B - .
îtî . The magna
tude of the component
OF A
along B​

Answer 1

Answer:

Ok

Explanation:

B square to samajh a gya r kya hai bhai.

Answer 2

Answer:

Angle between two vectors:

cosθ=

∣

∣

∣

∣

A

∣

∣

∣

∣

.

∣

∣

∣

∣

B

∣

∣

∣

∣

A

.

B

=

4+9

1+1

(2×1)+(3×1)

=

2

13

5

Component of

A

along

B

=

A

cosθ

=

2

13

5

(2

i

^

+3

j

^

)

=

2

13

10

i

^

+

2

13

15

j

^

Its magnitude =

2×13

100

+

2×13

225

=

2×13

325

=3.53=

2

5