If the domain of the function \(f\left(x\right)={\sin }^{-1}\left(\frac{x-1}{2x+3}\right)\) is \(R-(\alpha ,\beta )\), t…

If the domain of the function \(f\left(x\right)={\sin }^{-1}\left(\frac{x-1}{2x+3}\right)\) is \(R-(\alpha ,\beta )\), then \(12\alpha \beta\) is equal to :

[JEE Main 2024, 9 Apr (Shift 1)]