D d
x
[
f
(
x
)
g
(
x
)
]
=
g
(
x
)
d
d
x
[
f
(
x
)
]
−
f
(
x
)
d
d
x
[
g
(
x
)
]
g
(
x
)
2
.
x
(
3
x
−
2
)
(
3
x
−
1
)
2

AvdeevaJanna14    1   27.04.2021 07:56    0