Question

Si: a # b = (a + b) (a – b) Calcular: 7 # 3
a) 40
b) 44
c) 42
d) 45
e) 49​

Answer 1

Respuesta:

a) 40

Explicación paso a paso:

a # b = (a + b) (a – b)

7 # 3 = (7 + 3) (7 - 3)

7 # 3 = (10) (4)

7 # 3 = 40