If prove that
Given :
To prove :
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) =
=
=
=
=