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Question 9.1.5: Calculate (3 − 2i)(−2 + 5i).

Calculate (3 − 2i)(−2 + 5i).

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(3 − 2i)(−2 + 5i) = \left[3(−2) − (−2)(5)\right] + \left[3(5) + (−2)(−2)\right]i = 4 + 19i

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