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(1-5i)(4-2i) Slove with complex numbers please list all steps thank you

Sagot :

Answer:

[tex]-6-22i[/tex]

Step-by-step explanation:

[tex](1-5i)(4-2i)\\\\(1)(4)+(1)(-2i)+(-5i)(4)+(-5i)(-2i)\\\\4-2i-20i+10i^2\\\\4-22i+10(-1)\\\\4-22i-10\\\\-6-22i[/tex]

Recall that [tex]i^2=-1[/tex]

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