ATAR Notes: Forum

VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Specialist Mathematics => Topic started by: JamieLeaf on January 26, 2019, 11:39:11 am

Title: dx
Post by: JamieLeaf on January 26, 2019, 11:39:11 am

Hey guys,
what does the symbol dx by itself and dy by itself mean?

Title: Re: dx
Post by: Sine on January 26, 2019, 11:48:53 am

Quote from: JamieLeaf on January 26, 2019, 11:39:11 am

Hey guys,
what does the symbol dx by itself and dy by itself mean?

it's comes from delta x and delta y so "change in x" and "change in y"

but in this case it is an infinitesimally small change in x (or y)