$\displaystyle x=\frac { 4 }{ 3 } $ is a root of equation $\displaystyle { x }^{ 2 }-\frac { 16 }{ 9 } =0$
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$\displaystyle x=\frac { 4 }{ 3 } $ is a root of equation $\displaystyle { x }^{ 2 }-\frac { 16 }{ 9 } =0$