Find the Value of the Determinant $\left| \begin{array} { l l } a & b \\b & a\end{array} \right|$

question 185

Multiple Choice

Find the value of the determinant.
$\left| \begin{array} { l l } a & b \\b & a\end{array} \right|$

• A) 2ab
• B) \(a ^ { 2 } + b ^ { 2 }\)
• C) \(a ^ { 2 } - b ^ { 2 }\)
• D) 0