χͺ(1)Μ2.(1)π
f
(
x
)
=
x
3
f
′
(
x
)
=
3
x
3
−
1
=
3
x
2
Λ
ΜβθΜπ
Λ
qg1
Λ
χͺ(1)ΜTOPΦίι