Cho hàm số \(y = f\left( x \right)\) thỏa mãn \(f'\left( x \right).f\left( x \right) = {x^4} + {x^2}\). Biết \(f\left( 0 \right) = 2\). Tính \({f^2}\left( 2 \right).\)
A.\({f^2}\left( 2 \right) = \dfrac{{313}}{{15}}\).
B.\({f^2}\left( 2 \right) = \dfrac{{332}}{{15}}\).
C.\({f^2}\left( 2 \right) = \dfrac{{324}}{{15}}\).
D.\({f^2}\left( 2 \right) = \dfrac{{323}}{{15}}\).