differentiate sqrt(4x+1)
Let's differentiate: (4x + 1)'
We differentiate using: (f)' = (f)'·12f (where f = 4x + 1)
(4x + 1)'·12·4x + 1
(4*x+1)'·12·4x + 1 = (4*x+1)'2·4x + 1(4*x+1)' = (4*x)' + 0
(4x)' + 02·4x + 1
(4*x)' + 0 = (4*x)'(4*x)' = 4
42·4x + 1
Result:   24x + 1