[10110, LOGIC DESIGN-1b is one) whenever the two-inputs (, y) are different. Otherwise, the output , is 0 (zero). Which of the following equations leads to the "optimum", basic Dsign a logie cireuit, with three-nputs (a, y, 2) and one-output f(x. y, z). The output gate implementation, simplified circuit? (b) a+y'a (e) ry+y 90