If \( \overrightarrow{\mathrm{a}}, \overrightarrow{\mathrm{b}}, \ov... VIDEO
If \( \overrightarrow{\mathrm{a}}, \overrightarrow{\mathrm{b}}, \overrightarrow{\mathrm{c}} \) are mutually perpendicular vectors having
\( \mathrm{P} \) magnitude 1, 2, 3 respectively, then
W \( [\overrightarrow{\mathrm{a}}+\overrightarrow{\mathrm{b}}+\overrightarrow{\mathrm{c}} \overrightarrow{\mathrm{b}}-\overrightarrow{\mathrm{a}} \overrightarrow{\mathrm{c}}]= \)
(1) 0
(2) 6
(3) 12
(4) 18
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