Desenvolver as potências (utilizando as propriedades do triângulo de Pascal).
a)
$\phantom{X}(x\,+\,y)^0\phantom{X}$
b)
$\phantom{X}(x\,+\,y)^1\phantom{X}$
c)
$\phantom{X}(x\,+\,y)^2\phantom{X}$
d)
$\phantom{X}(x\,+\,y)^3\phantom{X}$
e)
$\phantom{X}(x\,+\,y)^4\phantom{X}$
f)
$\phantom{X}(x\,+\,y)^5\phantom{X}$
g)
$\phantom{X}(x\,+\,y)^7\phantom{X}$
h)
$\phantom{X}(x\,-\,y)^5\phantom{X}$
