The __________ Of $b _ { 3 }$ In Is $\left| \begin{array} { l l } a _ { 1 } & c _ { 1 } \\a _ { 2 } & c _ { 2 }\end{array} \right|$

Short Answer

The __________ of $b _ { 3 }$ in $\left| \begin{array} { l l l } a _ { 1 } & b _ { 1 } & c _ { 1 } \\a _ { 2 } & b _ { 2 } & c _ { 2 } \\a _ { 3 } & b _ { 3 } & c _ { 3 }\end{array} \right|$ is $\left| \begin{array} { l l } a _ { 1 } & c _ { 1 } \\a _ { 2 } & c _ { 2 }\end{array} \right|$ .