- #1

- 1

- 0

I've tried different ways but didn't get the right result, so if anyone could tell me just the procedure I would appreciate it very much.

Thanks in advance

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- I
- Thread starter Auntmatilde
- Start date

- #1

- 1

- 0

I've tried different ways but didn't get the right result, so if anyone could tell me just the procedure I would appreciate it very much.

Thanks in advance

- #2

- 4,943

- 2,252

It is a little tricky writing out all of the terms of the Taylor series for a function of two variables, ## f(x,y) ## in terms of ## f(x_o,y_o) ##, but if you proceed with the complete Taylor series to second order, you will get a term of mixed partials in the second derivative case. The ## d u d v ## is ## (x-x_o)(y-y_o) ## in the Taylor series...

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