Question

Find d/dx, given: square root 3x - 7

Answer 1

`(3)/(2√(3x-7) )`

Explanation:

du/dx = 3

dy/du=
`(1)/(2√(u) )`

Apply the chain rule:

dy/dx =
`(1)/(2√(u) )` * 3

Substitute u = 3x-7

dy/dx =
`(3)/(2√(3x-7) )`