this is for holding javascript data
Veva Garcia edited untitled.tex
almost 8 years ago
Commit id: 5d03cfbf082afb676dfa7b5e8f3c98df81f2438b
deletions | additions
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index 2547ead..b3c1a30 100644
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Notice the left hand side $$(x+\frac{1}{2}c)^2 + (y-\frac{1}{2}d)^2 \geq 0$$
Then the right hand side $$ -b + \frac{1}{4}|a^2|\geq 0.$$
Thus, $\frac{1}{4}|a^2|\geq b$\\
Hence, $|a^2|\geq
4b$ 4b.$\\
Therefore, the equation $\left|z^2\right|+Re(az)+b=0$ has a solution if and only if $\left|a^2 \right| \geq 4b.$
\end{proof}