Resolva a expressao 2+i/1-2i + 2i(1-3i)
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Solução!
Lembrando que
![\dfrac{2+i}{1-2i}. \dfrac{1+2i}{1+2i} +(2i+6)\\\\\\
\dfrac{2+4i+i-2}{ 1+2i-2i+4} +2i+6\\\\\\\
\dfrac{4i+i}{ 1+4} +2i+6\\\\\\\
\dfrac{5i}{ 5} +2i+6\\\\\\\
\dfrac{5i+10i+30}{5}\\\\\\
\dfrac{15i+30}{5}\\\\\\
\dfrac{5(3i+6)}{5}\\\\\\\
3i+6](https://tex.z-dn.net/?f=%5Cdfrac%7B2%2Bi%7D%7B1-2i%7D.+%5Cdfrac%7B1%2B2i%7D%7B1%2B2i%7D+%2B%282i%2B6%29%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B2%2B4i%2Bi-2%7D%7B+1%2B2i-2i%2B4%7D+%2B2i%2B6%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B4i%2Bi%7D%7B+1%2B4%7D+%2B2i%2B6%5C%5C%5C%5C%5C%5C%5C%0A%5Cdfrac%7B5i%7D%7B+5%7D+%2B2i%2B6%5C%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B5i%2B10i%2B30%7D%7B5%7D%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B15i%2B30%7D%7B5%7D%5C%5C%5C%5C%5C%5C%0A+%5Cdfrac%7B5%283i%2B6%29%7D%7B5%7D%5C%5C%5C%5C%5C%5C%5C+%0A3i%2B6+ "\dfrac{2+i}{1-2i}. \dfrac{1+2i}{1+2i} +(2i+6)\\\\\\
\dfrac{2+4i+i-2}{ 1+2i-2i+4} +2i+6\\\\\\\
\dfrac{4i+i}{ 1+4} +2i+6\\\\\\\
\dfrac{5i}{ 5} +2i+6\\\\\\\
\dfrac{5i+10i+30}{5}\\\\\\
\dfrac{15i+30}{5}\\\\\\
\dfrac{5(3i+6)}{5}\\\\\\\
3i+6")
Bom dia!
Bons estudos!
Solução!
Lembrando que
Bom dia!
Bons estudos!
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