If you need help in reviewing "variation of parameter in ODE" - outside your textbook - please go to:hank said:Hi guys.
I've been working on this one for about an hour and a half and just can't get it.
Here's the problem:
Solve by variation of parameters xy" - 4y' = x^4.
Please help.
Thanks,
--Hank
My apologies.mmm4444bot said:
Hi Hank:
Did you read the post titled, "Read Before Posting"?
You worked over one hour, and you have nothing at all to show for that time. Why is this?
~ Mark :?