fish
What color is music
Purple
What color is health
Ornage
WHat color is english
Red
What color is history
Yellkow
What is a dog
A doggie
find x
Ltx→0 (xn - an)(x - a) = na. (n - 1)
∫ xn dx = xn + 1/(n + 1) + C.
∫ ex dx = ex + C.
d/dx (xn) = nx. n - 1
d/dx (Constant) = 0.
d/dx (ex) = e. x
44