math
Push it to the limit
Walk along the difference
Don't divide by zero
Or else you're finished
Open up the limit
At the local maximum
Reach the top, but still you gotta learn
About its zero-slope tangent
Push it to the limit
Walk along the difference
Don't divide by zero
Or else you're finished
Open up the limit
At the local maximum
Reach the top, but still you gotta learn
About its zero-slope tangent