ShanayaI478014
ShanayaI478014
29-10-2022
Mathematics
contestada
multiply -3 - 7i and -1 +i
Respuesta :
RevenR152219
RevenR152219
29-10-2022
We have the following:
[tex](-3-7i)\cdot(-1+i)[/tex]
multiply:
[tex]\begin{gathered} 3-3i+7i-7i^2 \\ i^2=-1 \\ 3+4i+7 \\ 10+4i \end{gathered}[/tex]
The answer is 10 + 4i
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