Differentiation Flashcards
First principles differentiation
f’(x) = lim h -> 0 (f(x+h) - f(x) / h
First Derivative meanings
<0 decreasing, =0 stationary, >0 increasing
Second Derivative meanings
<0 concave/max, =0 inflection, >0 convex/min
ax^n derivative
anx^(n-1)
a^x derivative
lna . a^x
e^x derivative
e^x
lnx derivative
1/x
sinx derivative
cosx
cosx derivative
-sinx
tanx derivative
sec^2 x
secx derivative
secxtanx
cotx derivative
-cosec^2 x
cosecx derivative
-cosecxcotx
f(blah), chain rule
f’(blah) x blah’
uv, product rule
uv’ + u’v
u/v, quotient rule
(vu’ - uv’) / v^2
f(y), implicit
f’(y) x dy/dx
Reciprocal rule for differentiation
dy/dx = 1/dx/dy
Parametric rule for differentiation
dy/dx = dy/dt / dx/dt
Connected rates of change rule for differentiation
dV/dt = dV/blah x blah/dt