dedifferentiate from fitstfirstfirstfitstfirstfirstfitstfirstfirstfitstfirstfirst
differentiate from first principles 7x²
difwidffffdifeeniaedffddifwidffffdifeeniaedffdifwiferntatdifentiertaififrnatifentierta
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.