Question

solve the complex number (2+i)(3+2i)
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Answer 1

Step-by-step explanation:

(2+i) ( 3+2i)

:. 2(3+2i) i(3+2i)

:. ( 6+4i) (3i+ 2i²)

:. 6+4i + 3i + 2i²

:. 2i² +7i + 6 ANS.

Answer 2

Answer:

Step-by-step explanation

apply complex arthametic rules

=(2 x 3-1 x 2) + (2x2+1x3)i

=2x3-1x2=4

=2x2+1x3=7

=4+7i