Mathematics: Divide the complex number: 7i/8+i (i= imaginary #) show step-by-step solution

Divide the complex number: 7i/8+i (i= imaginary

Ответ:

Geo777

09.01.2022

$\frac{7i}{8+i}
\\
\\ \frac{7i}{8+i} \times \frac{8-i}{8-i}
\\
\\ \frac{7i(8-i)}{(8+i)(8-i)}
\\
\\ \frac{56i-7i^2}{64-i^2}
\\
\\ \frac{56i-7(-1)}{64-(-1)}
\\
\\ \frac{56i+7}{64+1}
\\
\\ \frac{56i+7}{65}
\\
\\ \frac{56}{65}i + \frac{7}{65}$

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Ответ:

williamabigan

20.02.2022

Mathematics

9/100

Step-by-step explanation:

how many cm in a meter ?

100

so, 9 cm are 9 of 100 or 9/100

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Divide the complex number: 7i/8+i
(i= imaginary #)
show step-by-step solution

Ответ:

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