Question

Determine o produto usando a regra :
a) (x+y)² =
b) (m+7)²=
c) ( 2m+2v)²=
d) (2a+2b)²=

Answer 1

Explicação passo-a-passo:

a) (x + y)² = x² + 2xy + y²

b) (m + 7)² = m² + 14m + 49

c) (2m + 2v)² = 4m² + 8mv + 4v²

d) (2a + 2b)² = 4a² + 8ab + 4b²

Answer 2

a) (x+y)² =

(x + y)(x + y)

x² + xy + xy + y²

x² + 2xy + y²

b) (m+7)²=

(m + 7)(m + 7)

m² + 7m + 7m + 49

m² + 14m + 49

c) ( 2m+2v)²=

(2m + 2v)(2m + 2v)

4m² + 4mv + 4mv + 4v²

4m² + 8mv + 4v²

d) (2a+2b)²=

(2a + 2b)(2a + 2b)

4a² + 4ab + 4ab + 4b²

4a² + 8ab + 4b²