The instar learning law can be represented by equation?
(a) ∆wjk= µ(bj – wjk), where the kth unit is the only active in the input layer
(b) ∆wij= µ(bi – si) aj
(c) ∆wij= µ(bi – si) aj Á(xi),wher Á(xi) is derivative of xi
(d) ∆wij= µ(si) aj
Please answer the above question.