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Simplify(2+i)(3-i)(1+2i)(1-i)(3+i)

 Oct 27, 2021
 #1
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this is (10)(2+i)(1+2i)(1-i), which is (10)(5i)(1-i), which is (50i)(1-i), which is (50i + 50)

 Oct 27, 2021

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