Let \(A=\left[\begin{matrix}2 & 3 \\ a & 0\end{matrix}\right],a\in R\) be written as P+Q where P is a symmetric matrix a…

Let \(A=\left[\begin{matrix}2 & 3 \\ a & 0\end{matrix}\right],a\in R\) be written as P+Q where P is a symmetric matrix and Q is skew symmetric matrix. If \(\det (Q)=9\), then the modulus of the sum of all possible values of determinant of P is equal to :

[JEE Main 2021, 20 Jul (Shift 1)]