Differentiate the following: sqrt[10/(4+x)]

1. Nov 16, 2008

Fairy111

i need to differentiate the following:

sqrt[10/(4+x)]

so i re-wrote it as:

[10(4+x)^-1]^1/2

but am getting very confused when i try to differentiate it.

any help would be great! cheers

2. Nov 16, 2008

Hootenanny

Staff Emeritus
Re: differentiation

Could you show your attempt at differentiating the expression?

3. Nov 16, 2008

HallsofIvy

Staff Emeritus
Re: differentiation

Step by step using the chain rule
What is the derivative of u-1/2?

What is the derivative of v-1?

4. Nov 16, 2008

Fairy111

Re: differentiation

well first i differentiated 10(4+x)^-1
which is -10(4+x)^-2

but i dont know how to include the sqrt....