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\left\{ \begin{array}{ll} d^{∗}_{Tr}=\dfrac{b^{12}(a−c_{Or}+θ(\overline{φ}−φ))−2b_{22}(a+\overline{a}−c_{Tr})}{b_{12}b_{21}−4b_{11}b_{22}} \\ d^{∗}_{Or}=\dfrac{b_{21}(a+\overline{a}−c_{Tr})−2b_{11}(a−c_{Or}+θ(\overline{φ}−φ))} {b_{12}b_{21}−4b_{11}b_{22}} \end{array} \right.