1
绗竴绔?/p>
澶氶」寮?/p>
涓�锛庡～绌洪
1
銆佸綋
p(x)
鏄?/p>
澶氶」寮忔椂锛岀敱
p(x)| f(x)g(x)
鍙帹鍑?/p>
p(x)|f(x)
鎴?/p>
p(x)|g(x)
銆?/p>
2
銆佸綋
f(x)
涓?/p>
g(x)
鏃讹紝鐢?/p>
f(x)|g(x)h(x)
鍙帹鍑?/p>
f(x)|h(x)
銆?/p>
3
銆佽
f(x)=x
3
+3x
2
+ax+b
鐢?/p>
x+1
闄や綑鏁颁负
3
锛岀敤
x-1
闄や綑鏁颁负
5
锛岄偅涔?/p>
a=
b=
銆?/p>
4
銆佽
f(x)=x
4
+3x
2
-kx+2
鐢?/p>
x-1
闄や綑鏁颁负
3
锛屽垯
k=
銆?/p>
5
銆佸鏋?/p>
(x
2
-1)
2
|x
4
-3x
3
+6x
2
+ax+b
锛屽垯
a=
b=
銆?/p>
6
銆?/p>
f(x)
娌℃湁閲嶆牴鐨勫厖鍒嗗繀瑕佹潯浠舵槸
銆?/p>
7
銆佸鏋?/p>
f(x)=x
3
-3x+k
鏈夐噸鏍癸紝閭ｄ箞
k=
銆?/p>
8
锛庤嫢涓嶅彲绾﹀椤瑰紡
(
)
p
x
鏄?/p>
(
)
f
x
鐨?/p>
k
閲嶅洜寮忥紝鍒?/p>
(
)
p
x
鏄?/p>
(
1)
(
)
k
f
x
飥?/p>
鐨?/p>
鍥犲紡
9
銆?/p>
a
鏄?/p>
f(x)
鐨勬牴鐨勫厖鍒嗗繀瑕佹潯浠舵槸
銆?/p>
10
銆佷互
l
涓轰簩閲嶆牴锛?/p>
2
锛?/p>
1+i
涓哄崟鏍圭殑娆℃暟鏈�浣庣殑瀹炵郴鏁板椤瑰紡涓?/p>
f(x)=
銆?/p>
11
锛庤壘妫柦鍧﹀洜鍒ゅ埆娉曟槸鍒ゆ柇澶氶」寮忓湪鏈夌悊鏁板煙涓婁笉鍙害鐨勪竴涓?/p>
鏉′欢銆?/p>
绛旀
1
銆佷笉鍙害
2
銆佷簰绱?/p>
3
銆?/p>
a=0,b=1
4
銆?/p>
k=3
5
銆?/p>
a=3,b=-7
6
銆?/p>
(f(x),f鈥?x))=1
7
銆?/p>
k=
卤
2
8.
鍗曞洜寮?/p>
9
銆?/p>
x-a|f(x)
10
銆?/p>
x
5
-6x
4
+15x
3
-20x
2
+14x-4
11.
鍏呭垎
浜岋紟鍒ゆ柇骞惰鏄庣悊鐢?/p>
1
銆佽嫢
f(x)|g(x)+h(x),f(x)|g(x),
鍒?/p>
f(x)|h(x)
锛?/p>
锛?/p>
2
銆佽嫢
f(x)|g(x)h(x)
锛屽垯
f(x)|g(x)
鎴?/p>
f(x)|h(x)
(
)
3.
璁?/p>
(
)
[
]
f
x
P
x
飪?/p>
锛屼笖
(
1)
(1)
0
f
f
飥?/p>
飥?/p>
飥?/p>
锛屽垯
2
1
(
)
x
f
x
飥?/p>
锛?/p>
锛?/p>
锛?/p>
4
銆?/p>
璁?/p>
p(x)
鏄暟鍩?/p>
p
涓婁笉鍙害澶氶」寮忥紝
濡傛灉
p(x)
鏄?/p>
f(x)
鐨?/p>
k
閲嶅洜寮忥紝
鍒?/p>
p(x)
鏄?/p>
(
)
f
x
飩?/p>
鐨?/p>
k-1
閲嶅洜寮忋�?/p>
锛?/p>
锛?/p>
5
锛庝换浣曚袱涓椤瑰紡鐨勬渶澶у叕鍥犲紡涓嶅洜鏁板煙鐨勬墿澶ц�屾敼鍙樸�?/p>
6
锛庤嫢涓�鏁寸郴鏁板椤瑰紡
(
)
f
x
鏈夋湁鐞嗘牴锛屽垯
(
)
f
x
鍦ㄦ湁鐞嗘暟鍩熶笂鍙害銆?/p>
7.
鑻?/p>
(
)
f
x
鏃犳湁鐞嗘牴锛屽垯
(
)
f
x
鍦?/p>
Q
涓婁笉鍙害銆?/p>
锛?/p>
锛?/p>
8.
鍦ㄥ疄鏁板煙涓婃墍鏈夋鏁板ぇ浜庢垨绛変簬
3
鐨勫椤瑰紡閮芥槸鍙害鐨?/p>
.
锛?/p>
锛?/p>
9
銆?/p>
f(x)=x
4
-2x
3
+8x-10
鍦ㄦ湁鐞嗘暟鍩熶笂涓嶅彲绾︺�?/p>
锛?/p>
锛?/p>
绛旀
1
銆?/p>
鈭?/p>
2
銆?/p>
脳
褰?/p>
f(x)
鏄笉鍙害鏃舵墠鎴愮珛
3.
鈭?/p>
4
銆?/p>
鈭?/p>
5.
鈭?/p>
6.
脳
娆℃暟鈮?/p>
2
鏃舵垚绔?/p>
7.
脳
8.
鈭?