Question

Determine o valor numérico para as expressões algébricas
(1+BC)2para b = 1/2 e c = 1/3

Answer 1

$(1+bc)^2=(1+ \frac{1}{2} \cdot \frac{1}{3} )^2=(1+ \frac{1}{6})^2=( \frac{6}{6}+ \frac{1}{6} )^2= (\frac{6+1}{6}) ^2= (\frac{7}{6}) ^2=\frac{49}{36}$