2 x^2-x-1 vs d (2 x^2-x-1)/dx
absolute value
cos(x), cos'(x), cos''(x), cos'''(x), cos''''(x)
d^2/dx^2 cos(x)
d/dx {sinx, cosx, tanx, cotx, secx, cscx}
domain and range (x^3+4)/x^2
find zeros of (sqrt(x^2+x)-x)
integrate cos(x) dx
is cos'(x) an odd function?
infinity
limit 1/((x^2-1)/(2 x^2-x-1))
limit (f(t+h)/f(t))^(1/h) as h -> 0
limit of cos(x) as x -> +infinity
limit 1/(1+1/n)
limit tan(t) as t->pi/2 from the left
lim ((x+h)^5 - x^5)/h as h->0
sum 1/n^2, n=1 to infinity
sum (3/4)^j, j=0..infinity
sum x^n, n=0 to +oo
sum 1/n^2
1/2 + 1/4 + 1/8 + 1/16 + ...
infimum of x^2-2x
infimum 1+(1/n)
mathematical rules
plot 1/(cos(x))
polar plot abs(3 theta^3+2 theta)
product rule, quotient rule, chain rule
roots 2x^2 - x - 1
series 1/cos(x)
series of 2 x^2-x-1 at x = pi
series sin x at x=pi/4
series (sin x)/(x-pi) at x=pi to order 10
tangent line of y = 3 x^3+2 x at x = 2/5
taylor polynomial degree 3 of (x^3+4)/x^2 at x=1
taylor series sin x
x < 0
harmonic mean {1, 2, 3}
kurtosis of {1, 2, 3}
{1, -1, 0}x{0, 1, -1}
inflection points of x+sin(x)
(complement S) intersect (A union B)
P && (Q or R)