Question

calcule 3/2 ± 2/3 (preciso dos calculos além da resposta, por favor).

Answer 1

$\mathsf{\dfrac32\pm\dfrac23}\\\\\mathsf{\dfrac96\pm\dfrac46}\\\\\mathsf{\dfrac{9\pm4}{6}}\\\\R_1=\mathsf{\dfrac{9+4}6=\boxed{\dfrac{13}6}}\\\\R_2=\mathsf{\dfrac{9-4}6=\boxed{\dfrac56}}\\\\\\\large\boxed{\boxed{S = \left\{\dfrac{13}6,\ \dfrac56\right\}}}$