Resposta :
Resposta:
a) (a + b)³ =a³+3a²b+3ab²+b³
b) (b - 2)³=b³-6b²+12b-8
c) (2a + 1)³=8a³+12a²+6a+1
d) (1 - 2a)³=1-6a+12a²-8a³
e) (2x + y)³ =8x³+12x²y+6xy²+y³
f) (3y - 1)³ =27y³-27y²+9y-1
Resposta:
a) (a + b)³ =a³+3a²b+3ab²+b³
b) (b - 2)³=b³-6b²+12b-8
c) (2a + 1)³=8a³+12a²+6a+1
d) (1 - 2a)³=1-6a+12a²-8a³
e) (2x + y)³ =8x³+12x²y+6xy²+y³
f) (3y - 1)³ =27y³-27y²+9y-1