Question: Find a + b, 9a + 7b, lal, and la- bl. (Simplify your vectors completely.) a+b a = 91 - 8j+7k, b = 7i
Find a + b, 9a + 7b, lal, and la- bl. (Simplify your vectors completely.) a+b a = 91 - 8j+7k, b = 7i - 9k 9a + 7b = 2 |a] = |a - bl ==
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