Given a parallelogram \( A B C D \). If \( |\overrightarrow{A B}|=a,|\overrightarrow{A D}|=b \&|... VIDEO
Given a parallelogram \( A B C D \). If \( |\overrightarrow{A B}|=a,|\overrightarrow{A D}|=b \&|\overrightarrow{A C}|=c \), then \( \overrightarrow{D B} \cdot \overrightarrow{A B} \) has the valuehttps://bit.ly/YTAI_PWAP https://www.pw.live
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