If , show that


Given :


To show :


Formula used : =


=



If u and v are functions of x,then = u + v


The CHAIN RULE states that the derivative of f(g(x)) is f’(g(x)).g’(x)


y =


squaring on both sides


= + y


Differentiating with respect to x


2y = +


(2y – 1) =


(2y – 1) =


1