Question

1)Desenvolva algebricamente cada quadrado da soma de soma de dois termos

a) (x + 1)²

b) (2x + 10)²

c) (xy + 1/3)

Answer 1

a) x² + 2x + 1

b) 4x² + 20x + 4x² + 20x

8x² + 40x

c) x²y² + 2.(1/3xy) + [(1/3)²]

x²y² + 2/6xy + [3/1]

x²y² + 2/6xy + 3