Formulas Flashcards
1
Q
Area of a sector of a circle
A
1/2θ × r^2
2
Q
Arc length
A
rθ
3
Q
chain rule (powers)
A
dy/du x du/dx
4
Q
product rule (multiples)
A
uv’ + vu’
5
Q
quotient rule (division)
A
vu’ - uv’ / v^2
6
Q
d/dx (sinkx)
A
kcoskx
7
Q
d/dx (coskx)
A
ksinkx
8
Q
d/dx (e^kx)
A
ke^kx
9
Q
d/dx (lnx)
A
1/x
10
Q
d/dx (a^kx)
A
a^kx x lna
11
Q
point of inflection
A
when second derivative sign changes
12
Q
dy/dx
A
1 / dx/dy
13
Q
stationary point
A
dy/dx = 0
14
Q
NR formula
A
x n+1 = xn - f(xn) / f’(xn)
15
Q
A
