# [✓] Solve a differential algebraic equation?

Posted 6 months ago
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 I'm trying to obtain a solution to the differential equation as a function, however I keep getting \$Failed in return. I'd greatly appreciate if someone could point out what I'm doing wrong and how I can correct this while maintaining the original flexibility of it being a function. Below is the attached .nb file I'm working with. Thank you for your time and consideration. Attachments:
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Posted 6 months ago
Posted 6 months ago
 Mariusz,I was writing my response while you posted yours. I like yours better. But why do we obtain different plots???David
Posted 6 months ago
 Hi David.A small mistake occurred in my differential equations,I corrected, and now solution is the same as yours.Regards Mariusz.
 Ahh, my mistake was so simple, I should slap myself. Thank you, I spent a few hours looking over this thing trying to figure out my error just to simply find out (because of the .nb file that was provided) that instead of putting {X[t], Y[t]} I was putting {X,Y} so it was reading it incorrectly, again, thank you for your time! I appreciate it :3