# Homework Help: Derivative Question

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1. Jan 5, 2017

### baba_944

1. The problem statement, all variables and given/known data

I've tried to search this up but to no avail. How am I suppose to solve this:

d2y/dx3

2. Relevant equations
N/A

3. The attempt at a solution

Here's what I think I need to do:

1: Square and cube y and x respectively.
2: Find the second and third derivative of y and x respectively.

Thank you.

2. Jan 5, 2017

### Staff: Mentor

This looks like a typo, I think you need to ask your teacher what they want here or of course you could compute the $d^2y/dx^2$ and the $d^3y/dx^3$

The superscripts aren't powers and these aren't fractions of differentials.

The notation means:
- 2nd derivative of y with respect to x for $d^2y/dx^2$ and
- 3rd derivative of y with respect to x for $d^3y/dx^3$

Check to see if your book has an errata sheet online which would indicate whether its a typo that is if this came from your book otherwise check with your teacher.

Last edited: Jan 5, 2017
3. Jan 5, 2017

### baba_944

Human error on my behalf. I mistype it. But yeah, thank you. I'm self-teaching (as scary enough as it is, ha ha) so no teacher besides myself

So basically it means to take the second (or nth) derivative? Thank you. .

4. Jan 5, 2017

Yes