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If a = 2i + 3j, and B = 2j $\times$

Question 34

Multiple Choice

If A = 2i + 3j, and B = 2j + 3k, then |A $\times$ B| is equal to

A) 4 + 5 + 3 = 12.
B) $\sqrt { ( 16 + 25 + 9 ) } = \sqrt { 50 }$
C) (81 + 36 + 16) = 133.
D) $\sqrt { ( 81 + 36 + 16 ) } = \sqrt { 133 }$

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