Find the expression.v = 9i + 2j; Find 3v.
A. 12i + 2j
B. 27i + 2j
C. 12i + 5j
D. 27i + 6j
Answer: D
Mathematics
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Indicate whether the statement is true always, sometimes, or never.The product of a pair of complex conjugates is a real number.
A. Always B. Sometimes C. Never
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Evaluate the factorial expression.
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Mathematics