Quote:
Originally Posted by Future Raptor Ace
meh i used to think so, but all my friends tell me in the higher level engineering classes (if i make it there) allow you to use the Ti 200 calculator which does any derivative for you. Learning this is sorta pointless  and just annoying |
Doesn't pretty much any graphical calculator the derivates and integrals?
It's just a lot harder to put them on paper... I actually didn't bother even learning integral cause I could just do them all with calculator. Didn't work out so well in the test
f(x) = x+x^.5
f'(x) = 1+0.5x^-0.5
lim(h->0) = [f(x+h)-f(x)] / h
[x+h+(x+h)^0.5-x-x^0.5]/h = 1+1/x^-1/2
[h + (x+h)^0.5-x^0.5]/h = 1+1/x^-1/2 /*h
h + (x+h)^0.5-x^0.5 = h+h/x^-1/2 h=0
0 + sqrt(x+0) - sqrt (x) = 0 + 0/sqrt(x)
0 = 0
true
Is cheating allowed? :P