Question

Resuelve: Si a $ b = (a + b)(a – b), calcula 4 $ 3.

Answer 1

Respuesta:

7

Explicación paso a paso:

a$b = (a + b)(a - b)

4$3 = (4 + 3)(4 - 3)

4$3 = 7 . 1

4$3 = 7