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1. $\underset{A}{\to} ও \underset{B}{\to}$

A. $\underset{A}{\to} \times \underset{B}{\to} = \underset{B}{\to} \times \underset{A}{\to}$
B. $\underset{A}{\to} \times \underset{B}{\to} = \underset{B}{\to} \times \underset{A}{\to}$
C. $\underset{A}{\to} \times \underset{B}{\to} = \underset{B}{\to} \times \underset{A}{\to}$
D. $\underset{A}{\to} \times \underset{B}{\to} = \underset{B}{\to} \times \underset{A}{\to}$

Answer: Option B

Explanation:

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