A different way to solve quadratic equations

Summary:
A different way to solve quadratic equations .[embedded content] This one is for Linnea, my youngest daughter, who has now begun studying mathematics at my university ?

Topics:
Lars Pålsson Syll considers the following as important: Statistics & Econometrics

This could be interesting, too:

Lars Pålsson Syll writes Keynes’ critique of econometrics is still valid

Lars Pålsson Syll writes The history of random walks

Lars Pålsson Syll writes The history of econometrics

Lars Pålsson Syll writes What statistics teachers get wrong!