Lösung 3.1:1b

Aus Online Mathematik Brückenkurs 2

(Unterschied zwischen Versionen)
Wechseln zu: Navigation, Suche
K
K (Robot: Automated text replacement (-{{Displayed math +{{Abgesetzte Formel))
Zeile 1: Zeile 1:
When we remove the parentheses, the terms inside change sign,
When we remove the parentheses, the terms inside change sign,
-
{{Displayed math||<math>3i-(2-i)=3i-2+i\,\textrm{.}</math>}}
+
{{Abgesetzte Formel||<math>3i-(2-i)=3i-2+i\,\textrm{.}</math>}}
Then, we collect together real and imaginary parts,
Then, we collect together real and imaginary parts,
-
{{Displayed math||<math>\begin{align}
+
{{Abgesetzte Formel||<math>\begin{align}
3i-2+i
3i-2+i
&=-2+(3i+i)\\[5pt]
&=-2+(3i+i)\\[5pt]

Version vom 13:04, 10. Mär. 2009

When we remove the parentheses, the terms inside change sign,

\displaystyle 3i-(2-i)=3i-2+i\,\textrm{.}

Then, we collect together real and imaginary parts,

\displaystyle \begin{align}

3i-2+i &=-2+(3i+i)\\[5pt] &=-2+(3+1)i\\[5pt] &=-2+4i\,\textrm{.} \end{align}