log(a) x1x2 =

log(a) x1/x2 =

log(a) x^n = n log(a) x

log(a) a =

log(a) 1 =

log(a) a^x =

a^log(a) x =

f(x) = log(a)x
Domain =

f(x) = log(a)x
Range =

log(e) x = ln e

log(2) x = lig x

log(a)x = log(b)x / log(b)a

x = a^y ⇔ log(a) x = log(a) a^y

x^4 - y^4 =

lim(x⇒a) f(x) =

lim(x⇒2) = x^2 - 4 / x - 2

x^3 - 27 =

x^3 + y^3 =

x-2 = (√x - √2)(√x + √2)