Question

A forma fatorada da expressão ab+abc+abcd é:
( ) ab(ab+c+cd)
( ) abc(0+1+d)
( ) a(ab+bc+bcd)
( ) ab(1+c+cd)
( ) cd(a+ab+ab)

Answer 1

ab + abc + abcd = ab ( 1 + c + cd )
Alternativa D