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13-09-2019
Mathematics

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13-09-2019

When multiplying complex numbers, we follow the usual formula

[tex](a+b)(c+d)=ac+ad+bc+bd[/tex]

So, we have

[tex](5-2i)(3-4i)=15-20i-6i+8i^2 = 15-26i-8 = 7-26i[/tex]

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