Pergunta

Which addition expression has the sum 8-3i 7 (9+2i)+(1-i) (9+4i)+(-1-7i) (7+2i)+(1-i) (7+4i)+(-1-7i) Find the sum of (-4+i) and (10-5i) -3+5i -3-5i 6-4i 6-6i DONE glasshouse
Solução

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AntónioProfissional · Tutor por 6 anos
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To find the sum of $(-4+i)$ and $(10-5i)$, we need to add the real parts and the imaginary parts separately.<br /><br />The real part of $(-4+i)$ is $-4$, and the real part of $(10-5i)$ is $10$. Adding these together, we get $-4 + 10 = 6$.<br /><br />The imaginary part of $(-4+i)$ is $i$, and the imaginary part of $(10-5i)$ is $-5i$. Adding these together, we get $i + (-5i) = -4i$.<br /><br />Therefore, the sum of $(-4+i)$ and $(10-5i)$ is $6-4i$.<br /><br />So, the correct answer is $6-4i$.
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