$$\left. \begin{array} { l } { 0 - 1 / a = 3 , 2 a ^ { 2 } a ^ { 2 } + \frac { 1 } { a } } \\ \end{array} \right.$$
$b = -\frac{241}{81} = -2\frac{79}{81} \approx -2.975308642$
$$0-1=3a$$
$$-1=3a$$
$$3a=-1$$
$$a=-\frac{1}{3}$$
$$b=2\left(-\frac{1}{3}\right)^{2}\left(-\frac{1}{3}\right)^{2}+\frac{1}{-\frac{1}{3}}$$
$$b=2\left(-\frac{1}{3}\right)^{4}+\frac{1}{-\frac{1}{3}}$$
$$b=2\times \frac{1}{81}+\frac{1}{-\frac{1}{3}}$$
$$b=\frac{2}{81}+\frac{1}{-\frac{1}{3}}$$
$$b=\frac{2}{81}+1\left(-3\right)$$
$$b=\frac{2}{81}-3$$
$$b=-\frac{241}{81}$$
$$a=-\frac{1}{3}$$ $$b=-\frac{241}{81}$$
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