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.
Use o Teorema Binomial para escrever os três primeiros termos de (2a + 4b)^7
Use o Teorema Binomial para escrever os três primeiros termos de (2a + 4b)^7
Natural Language
Math Input
Extended Keyboard
