Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Sean A = {x in R : x^2 <= 4} y B = {x in R : x >= 0} . Determina en notación de intervalo
Sean A = {x in R : x^2 <= 4} y B = {x in R : x >= 0} . Determina en notación de intervalo
Natural Language
Math Input
Extended Keyboard