+26388 (x-3-5i)*(x-3+5i) ?
Formula:
\(\begin{array}{|rcll|} \hline z\cdot \bar{z} = (a+bi)(a-bi)=a^2+b^2=|z|^2 \\ \hline \end{array}\)
\(\begin{array}{|rcll|} \hline && [(x-3)-5i]\cdot [(x-3)+5i ] \\ &=&(x-3)^2+5^2 \\ &=& x^2-6x+9 +25 \\ &=& x^2-6x+ 34 \\ \hline \end{array}\)
+26388 (x-3-5i)*(x-3+5i) ?
Formula:
\(\begin{array}{|rcll|} \hline z\cdot \bar{z} = (a+bi)(a-bi)=a^2+b^2=|z|^2 \\ \hline \end{array}\)
\(\begin{array}{|rcll|} \hline && [(x-3)-5i]\cdot [(x-3)+5i ] \\ &=&(x-3)^2+5^2 \\ &=& x^2-6x+9 +25 \\ &=& x^2-6x+ 34 \\ \hline \end{array}\)
