Symbolic computation using Chain rule:Let's define a function called sigmodal activation as(x)=11e-x(a)(10%) Show that'(x)=(x)(1-(x))(b)(15%) Now we cascade some functions asdefine y=w1xw0Compute the derivative of deldelw1(w1,w0) and deldelw0(w1,w0)define as(y)=(w1xw0)Express the result in terms of (y) and x using result in (a) to eliminate any derivative of , i.e,'.Note:Chain rule: we give the chain rule from the elementary calculus.If there are two function f(x) and g(x), and we composite these two togetherh=f(g(x))Then the derivative is given bydhdx=f(g(x))=f'(g(x))g'(x)