operations on the complex numbers

Algebra Level 1

(4 + 3 i) (2 - 5 i)

23-14i 22-13i 20-54i 19-5i

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1 solution

Asma Zugayar
Nov 10, 2015

(4+3i)(2-5i)

= 8 -20i +6i -15i^2

=8-14i-15(-1)

=8-14i+15

=23-14i

bravoooo
you have a brilliant brain god bless you

Nawara Elhussein - 5 years, 7 months ago

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