Some Mathematics
d 2
=∣
x
⇀ 1-x
⇀ 0-(
x
⇀ 2-x
⇀ 1)[
(x
⇀ 1-x
⇀ 0)⋅(x
⇀ 2-x
⇀ 1) ]∣
x
⇀ 2-x
⇀ 1 ∣ 2
∣ 2
testest
testest x
testest +
testest
y
2
testest
testest k
testest +
testest 1
testest
testest
a
0
testest
testest +
testest
1
testest a
testest 1
+
testest 1
testest
a
2
+
1
testest
a
3
testest
testest +
testest
1
testest a
testest 4
testest
testest
testest
Altra prova
testest
∫
∫
D
dx
dy
testest
andrea
1-
testest xeff
testest ̂≠(
testest ∫0∞
testest sin(
testest x~)
testest 1/e
testest 3βdx
testest )≠limx
testest →∞1
testest x
ciao
testest
∑
k
=
1
7
testest
testest
x
k
k
!
testest
testest
∫
0
1
testest
testest
testest
log
16
testest
testest (
testest t
testest )
testest
1
-
t
2
testest
ⅆ
t
testest
testest
d
testest d
testest x
f
(
x
)
=
lim
testest h
testest →
testest 0
testest f
testest
(
x
+
h
)
testest
testest -
testest f
testest
(
x
)
testest
h
testest
TeX formatted
f
(
x
)
=
∑
n
=
0
∞
f
(
n
)
(
a
)
n
!
(
x
-
a
)
n
g
(
x
)
=
x
2
The quadratic formula is
-
b
±
b
2
-
4
a
c
2
a