# More Diff EQ fun

1. Jan 18, 2006

### mr_coffee

more Diff EQ fun!!

Find such a solution and then give the related functions requested.

I submitted this:

which was wrong! wee!

Here is my work:

2. Jan 18, 2006

### benorin

What's with the $1\sin (y)$ ? Are you sure it's not $i\sin (y)$ ?

3. Jan 18, 2006

### benorin

If it is indeed $1\sin (y)$ I get

$$F(x,y)=-7x^2-5x+e^y\left( 4\cos (y) + 5\sin (y)\right) =K$$

same as you.

4. Jan 18, 2006

### mr_coffee

yep that bad boy is definatley a 1, this program will randomly generate numbers, some people actually got 0's infront of theirs, i will e-mail the professor to see if the problem is working correctly!