differentiatiaion Flashcards
1
Q
if f’(x)<0 then
A
decreasing function
2
Q
if f’(x) = 0
A
stationary point
3
Q
if f’(x)>0
A
increasing function
4
Q
if f’‘(x) < 0
A
concave/ maximum
5
Q
if f’‘(x) = 0
A
point of inflection
6
Q
if f’‘(x) > 0
A
convex / minimum
7
Q
derviative of ax^n
A
an x^(n-1)
8
Q
derviative of a^x
A
(ln a ) a^x
9
Q
derviative of e^x
A
e^x
10
Q
derviative of lnx
A
1/x
11
Q
derviative of sin x
A
cos x
12
Q
derviative of cos x
A
-sin x
13
Q
derviative of tan x
A
formula book
14
Q
derviative of sec x
A
formula book
15
Q
derviative of cot x
A
formula book