Find the product. Write the answer in standard form.(8 - 4i)(7 + 5i)

A. 76 + 12i
B. 76 - 12i
C. -20i2 + 12i - 56
D. 36 - 68i


Answer: A

Mathematics

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A.

?


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?


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?


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?


E.

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Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region. over the rectangular cube  

A.
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Find the vector projv u.v = 3j, u = 4i + 3k

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