1
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]
1
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y
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kx
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k
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1
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x
2
9
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2
4
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1
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2
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A
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p
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2
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1
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b
2
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涓庡弻鏇茬嚎
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C
鐨勬笎杩戠嚎鏂圭▼涓?/p>
________
锛?/p>
5
锛庡凡鐭ョ洿绾?/p>
l
1
锛?/p>
2
x
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y
锛?/p>
6
锛?/p>
0
鍜岀洿绾?/p>
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2
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1
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2
锛?/p>
4
x
鐨勭劍鐐癸紝鐐?/p>
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P
鍒扮洿绾?/p>
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1
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2
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PF
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6
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y
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(
x
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2)
涓庢姏鐗╃嚎
C
锛?/p>
y
2
锛?/p>
8
x
鐩镐氦浜?/p>
A
锛?/p>
B
涓ょ偣锛?/p>
F
涓烘姏鐗?/p>
绾?/p>
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|
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|
锛?/p>
2|
FB
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|
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k
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7
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(2,0)
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C
锛?/p>
x
2
锛?/p>
4
y
鐨勭劍鐐逛负
F
锛屽皠绾?/p>
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C
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M
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绾跨浉浜や簬鐐?/p>
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8
锛庡弻鏇茬嚎
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锛?/p>
x
2
a
2
锛?/p>
y
2
b
2
锛?/p>
1(
a
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b
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F
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l
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F
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锛屽垯鐩寸嚎
l
涓庡弻鏇茬嚎
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2
9
锛?/p>
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2
5
锛?/p>
1
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F
1
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F
2
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F
1
鐨勭洿绾夸氦妞渾浜?/p>
A
(
x
1
锛?/p>
y
1
)
锛?
B
(
x
2
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2
)
涓ょ偣锛岃嫢鈻?/p>
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2
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|
y
1
锛?/p>
y
2
|
锛?/p>
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10
锛庡凡鐭ユき鍦?/p>
x
2
a
2
锛?/p>
y
2
b
2
锛?/p>
1(
a
>
b
>0)
鐨勫彸鐒︾偣涓?/p>
F
(1,0)
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A
锛?/p>
B
涓烘き鍦嗕笂鍏充簬鍘熺偣瀵圭О鐨勪袱鐐癸紝
AF
鐨勪腑鐐逛负
M
锛?/p>
BF
鐨勪腑鐐逛负
N
锛屽師鐐?/p>
O
鍦ㄤ互绾挎
MN
涓虹洿寰勭殑鍦嗕笂锛岃嫢鐩寸嚎
AB
鐨勬枩鐜?/p>
k
婊¤冻
0<
k
鈮?
3
3
锛屽垯妞渾绂诲績鐜?/p>
e
鐨勫彇鍊艰寖鍥翠负
________
锛?/p>
[
鑳藉姏鎻愬崌缁?/p>
]
1
锛?/p>
鑻ュ弻鏇茬嚎
x
2
a
2
锛?/p>
y
2
b
2
锛?/p>
1(
a
>0
锛?/p>
b
>0)
涓庣洿绾?/p>
y
锛?/p>
3
x
鏃犱氦鐐癸紝
鍒欑蹇冪巼
e
鐨勫彇鍊艰寖鍥存槸
________
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