drkohler on 28 August 2011
dany612 said: Anyhow this question has this triangle shape as a coefficent which I assume is Delta but I don't recall it's revalance to this: find limit: ((x+∆x)^2-x^2)/∆x |
2x.. what did I win? That triangle is called delta and you are probably looking for lim ∆x -> 0 ?