1.

If \(\left| {{\rm{\vec a}}} \right| = 2\) and \(\left| {{\rm{\vec b}}} \right| = 3\), then \({\left| {{\rm{\vec a}} \times {\rm{\vec b}}} \right|^2} + {\left| {{\rm{\vec a}} \cdot {\rm{\vec b}}} \right|^2}\) is equal to

A. 72
B. 64
C. 48
D. 36
Answer» E.


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