Question

prove that
(A B'+A' +AB) '=0
in boolean algebra​

Answer 1

Answer:

Boolean Algebra: Theorems and ... a,b in B, a·(a+b) = a; a + a·b = a. Proof: a(a+b). = (a+0)(a+b) (P3). = a+0·b. (P2). = a + 0 ... (a+b)' = a'b', and (ab)' = a'+b'. Proof: ...