Is this limit actually solvable? Reddit calculus problem r/askmath

8:12
Isn't this limit equivalent to the definition of the derivative? Reddit calculus problem r/askmath

9:03
My friend & I have been arguing over this chain rule derivative. Is it possible? Reddit r/calculus

8:37
Is this a well-defined limit? If so, is the answer even zero lol? Reddit calculus r/askmath

6:55
n-ième dérivée de x*cos(x)

8:32
Why can't the 1/(3x) be replaced with 0? Reddit calculus limit r/calculus

27:37
an interesting integral

7:36
This might be easy and maybe I'm just confused! calculus limit w/ squeeze theorem, Reddit r/askmath

12:59