Question

How do you differentiate `5cosx-2cosx`?

Answer 1

`-3sinx`

Explanation:

You may have typed this incorrectly because as it is , the expression can be simplified to one term since they are like terms.

That is `5cosx-2cosx=3cosx`

`color(orange)"Reminder " color(red)(|bar(ul(color(white)(a/a)color(black)(d/dx(cosx)=-sinx)color(white)(a/a)|)))`

`rArrd/dx(3cosx)=-3sinx`