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Rad 26: | Rad 26: | ||
: <math>x^2 = 4</math> | : <math>x^2 = 4</math> | ||
: <math>x = \pm4^{\frac{1}{2}}</math> | : <math>x = \pm4 ^{\frac{1}{2}}</math> | ||
: <math>x = \pm 2</math> | : <math>x = \pm 2</math> |