Solve for a (complex solution)
\left\{\begin{matrix}\\a=0\text{, }&\text{unconditionally}\\a\in \mathrm{C}\text{, }&b=0\end{matrix}\right.
Solve for b (complex solution)
\left\{\begin{matrix}\\b=0\text{, }&\text{unconditionally}\\b\in \mathrm{C}\text{, }&a=0\end{matrix}\right.
Solve for a
\left\{\begin{matrix}\\a=0\text{, }&\text{unconditionally}\\a\in \mathrm{R}\text{, }&b=0\end{matrix}\right.
Solve for b
\left\{\begin{matrix}\\b=0\text{, }&\text{unconditionally}\\b\in \mathrm{R}\text{, }&a=0\end{matrix}\right.
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ab=0
Multiply 0 and 4 to get 0.
ba=0
The equation is in standard form.
a=0
Divide 0 by b.
ab=0
Multiply 0 and 4 to get 0.
b=0
Divide 0 by a.
ab=0
Multiply 0 and 4 to get 0.
ba=0
The equation is in standard form.
a=0
Divide 0 by b.
ab=0
Multiply 0 and 4 to get 0.
b=0
Divide 0 by a.
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Simultaneous equation
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