a. Consider a linear regression with m=3 as the following table where Xi is input and Yi is output, determine the gradient of mean squared error with respect to 20 = 0 and 01 = 2? 10 5 2 1 3 2 b. Suppose the following neural network which takes two binary-valued inputs X1, X2 and outputs he(x). Find the logical functions for it? +1 -20 X1 10 X2 15