Respostas
respondido por:
2
a) (3x+y)²
9x² + 6xy + y²
b) (3a+2)²
9a² + 12a + 4
c) (4a+y³)²
16a² + 8ay³ + y⁶
d) (2/4x + 2/5y)²
4/16x² + 2.(4/20xy) + 4/25y²
1/4x₂ + 2/5xy + 4/25y² → mmc.: 4,5,25|2
2,5,25|2
25x² + 40xy + 16y² 1,5,25|5
------------------------- 1,1,5|5
100 1,1,1 ------------
2.2.5.5 = 100
9x² + 6xy + y²
b) (3a+2)²
9a² + 12a + 4
c) (4a+y³)²
16a² + 8ay³ + y⁶
d) (2/4x + 2/5y)²
4/16x² + 2.(4/20xy) + 4/25y²
1/4x₂ + 2/5xy + 4/25y² → mmc.: 4,5,25|2
2,5,25|2
25x² + 40xy + 16y² 1,5,25|5
------------------------- 1,1,5|5
100 1,1,1 ------------
2.2.5.5 = 100
crislanesilva42:
obrigadooo
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