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# Differentiate watch

1. I new to this, and need to help :/

How do i differentiate dy/dx = 1 over X ?

Thank you to anyone who can help.

Regards,
2. (Original post by jamiepango)
You can rewrite 1 over x as x^(-1).

You should then be able to differentiate it

I got x^(-2), Is this correct? and cheers for the help
3. (Original post by Mr.Blackwood)
I got x^(-2), Is this correct? and cheers for the help
dy/dx=ax^(a-1)
4. (Original post by Mr.Blackwood)
I new to this, and need to help :/

How do i differentiate dy/dx = 1 over X ?

Thank you to anyone who can help.

Regards,
is the same as

and -

Therefore

When you differentiate you need to convert everything into powers of x first.
5. (Original post by Mr.Blackwood)
I got x^(-2), Is this correct? and cheers for the help
Almost. You need to muliply the coefficient of x (1) by the original power (-1) first, and then minus one from the power.

Any specific reason I've been negged? Nice to know that's what you get for trying to help.

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Updated: March 25, 2011
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