Proof of second order derivative

  • #1

Main Question or Discussion Point

How to prove that

y''=d2y/dx2

if y=f(x)
 

Answers and Replies

  • #2
arildno
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???
That's just expressing the equivalence between two different types of notation conventions..
 
  • #3
i want to know how does the notation d2y/dx2 come into existence...
 
  • #4
arildno
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i want to know how does the notation d2y/dx2 come into existence...
Leibniz introduced it. Why would that be of any interest??
 

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