(a) Replace the expression (x fy) by an algebraic expression with NOT and OR operators. (b) Algebraically, expand (x fy) 1 z to sum-of-product form. (c) Repeat part (b) on x t (y z). (d) Based on your answers in parts (b) and (c), is the NAND operator, 1, associative? ( B C) to canonical sum form. What can Expand algebraically (A B C, and A be concluded about the XOR operator? (a) Replace the expression (x fy) by an algebraic expression with NOT and OR operators. (b) Algebraically, expand (x fy) 1 z to sum-of-product form. (c) Repeat part (b) on x t (y z). (d) Based on your answers in parts (b) and (c), is the NAND operator, 1, associative? ( B C) to canonical sum form. What can Expand algebraically (A B C, and A be concluded about the XOR operator