Find the Cross Product $\mathbf { a } \times \mathbf { b }$

question 75

Multiple Choice

Find the cross product $\mathbf { a } \times \mathbf { b }$ ; where a = - i + 2j + 4k and b = 7i + 3j.

• A)15i - 8j + 10k
• B)3i + 11j - 9k
• C)7i + 13j + k
• D)14i + 5j - 12k
• E)-7i - 23j + 33k
• F)-10i + 27j + 13k
• G)-12i + 28j - 17k
• H)18i + 32j + 7k

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