0
0/12
13
Differentialrechnung
0/12/2
13.2
Ableitungsregeln
0/12/2/3
13.2.3
Produktregel
0/12/2/3/0
y
=
u
(
x
)
⋅
v
(
x
)
y
′
=
u
′
(
x
)
⋅
v
(
x
)
+
u
(
x
)
⋅
v
′
(
x
)
(
u
⋅
v
)
′
=
u
′
⋅
v
+
u
⋅
v
′
d
d
x
(
u
⋅
v
⋅
w
)
=
u
′
⋅
v
⋅
w
+
u
⋅
v
′
⋅
w
+
u
⋅
v
⋅
w
′
.
.
.
0/12/2/3/1
.
Beispiel 13 - 74
Beispiel 1:
y
=
(
4
x
3
-
3
x
)
︸
u
(
2
⋅
e
x
-
sin
x
)
︸
v
Beispiel 2:
y
=
(
arctan
x
)
︸
u
ln
x
︸
v
Beispiel 3:
y
=
(
5
x
3
)
︸
u
⋅
sin
x
︸
v
⋅
e
x
︸
w
.
Beispiel 1:
y
=
(
4
x
3
-
3
x
)
︸
u
(
2
⋅
e
x
-
sin
x
)
︸
v
⇒
y
′
=
(
1
2
x
2
-
3
)
(
2
⋅
e
x
-
sin
x
)
+
(
4
x
3
-
3
x
)
(
2
⋅
e
x
-
cos
x
)
Beispiel 2:
y
=
(
arctan
x
)
︸
u
ln
x
︸
v
⇒
y
′
=
1
1
+
x
2
⋅
ln
x
+
arctan
x
⋅
1
x
Beispiel 3:
y
=
(
5
x
3
)
︸
u
⋅
sin
x
︸
v
⋅
e
x
︸
w
⇒
y
′
=
1
5
x
2
⋅
sin
x
⋅
e
x
+
5
x
3
cos
x
⋅
e
x
+
5
x
3
⋅
sin
x
⋅
e
x
.
0/12/2/3/2