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# Differentiate Watch

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1. Hi, I've got a question and answer in maths, but I'm a little uncertain as of how to get to the answer.

The question is to differentiate (x-1)/√(x) using the quotient rule. The answer section says the answer is (x+1)/2x√(x), but I don't know how I get to that answer.

2. (Original post by Kaimund600)
Hi, I've got a question and answer in maths, but I'm a little uncertain as of how to get to the answer.

The question is to differentiate (x-1)/√(x) using the quotient rule. The answer section says the answer is (x+1)/2x√(x), but I don't know how I get to that answer.

Well the quotient rule is

So let and

so and

I think you can do the rest from here.

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Updated: October 2, 2016
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