Use the Given Vectors to Find the Indicated Expression

question 86

Multiple Choice

Use the given vectors to find the indicated expression.
-v = -4i + 2j - 3k, u = -4i - 3j + 4k Find v × (-5u) .

• A) 115i + 155j - 50k
• B) 5i - 140j - 100k
• C) -5i + 140j + 100k
• D) -1i - 0j + 20k

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