Math, asked by vikas6821, 1 year ago

How do you multiply (4−5i)(2+7i) in trigonometric form?

Answers

Answered by DEVESH777

0

=4 (2+7i)-5i (2+7i)

=8+28i-10i+35 becoz (i×i=-1)

=43+18i

HOPE YOU GOT THAT

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