[tex] {( \frac{2}{3} + \frac{1}{2} )}^{2} = { (\frac{2}{3} )}^{2} + {( \frac{1}{2} )}^{2} + 2 \times \frac{2}{3} \times \frac{1}{2 } = [/tex]
[tex] \frac{49}{36} = \frac{4}{9} + \frac{1}{4} + \frac{4}{6} = > [/tex]
[tex] \frac{49}{36} = \frac{16}{36} + \frac{9}{36} + \frac{24}{6} [/tex]
[tex] \frac{49}{36} = \frac{49}{36} = > [/tex]
[tex]relatia \: este \: adevarata[/tex]
