[tex] \frac{1}{2} \times \frac{3}{4} + ( \frac{1}{2} ) {}^{2} \times \frac{1}{2} [/tex]
[tex] \frac{3}{8} + \frac{1}{4} \times \frac{1}{2} [/tex]
[tex] \frac{3}{8} + \frac{1}{8} [/tex]
[tex] = \frac{4}{8} [/tex]
Simplificat:
[tex] = \frac{1}{2} [/tex]
