ys9ypjm8vr ys9ypjm8vr

07-12-2021
Mathematics

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Write the expression in standard form,
(9+2i)(5-3i)

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loneguy loneguy

07-12-2021

[tex](9+2i)(5-3i)\\\\=45-27i+10i-6i^2\\\\=45-17i+6~~~~~;[i^2 =-1]\\\\=51-17i[/tex]

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XxitzmeyanyanxX XxitzmeyanyanxX

07-12-2021

[tex] \: \: \: \: \: \: [/tex]

[tex] = \: \: \: \: 51 - 17i[/tex]

refer to the attachment for explanation

hope it helps

Ver imagen XxitzmeyanyanxX

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