*
∫eln (x)dx
= x *
∫eax (dx )= 1
aeax +c
*
∫xa+b=xa. xb
*
∫e dx=ex+c
*
logax=¿logex
logea=ln x
ln a=1
ln a∫ln x dx ¿
*
∫cos
(
x
)
=sin (x)
*
(a−b)2=a2−2ab+b2
*
(a+b)2=a2+2ab+b2
*
∫sen=−cos x+c
*
∫
a
b
f
(
x
)
dx−f
(
x
)
Ja
b−¿
*Ln(a/b)= ln(a)- ln(b) *Ln(a.b)= ln(a)+ ln(b) *Ln(
ax¿=x . ln (a)
*
loga
(
xn
)
=n¿¿
*
elnlxl
= x *Utilidad= Ingreso(x)- Costos(x)
*C(unid.)= c.p *C(x)=
C'
(
x
)
dx=C
(
x
)
+e
Costo Marginal= c ‘(x)/dx