2012
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惠悋 悋愕惠惆 惷惺悋惠 惠惠惺 惡悋惆悋 悋惘悋惷悸 惡悋 悵 惠忰 悋惆悋 悋悖愕悸 悋愃悋惘惠悸 悋愕惠惠悋悴 悋悽惶悋悧惶 悋惠惺悸 惡悋惠慍悋惆 悋惠悋惶 悋. 悋 惠惷 悋愕惠惆 愕悋悧 惘悋惷悸 惠惠愀惡 忰愕悋惡 悋忰惆惆 惠悋 悋惆悋. 惠愀惘 悖惷悋 悒 惡惺惷 悋惠愀惡悋惠 悋惆愕悸 悵 悋惆悋.
![盒暢P姻:堰粥珂鴛禽盒潮
悋惆惘悸 悋惺悋惆悸 2102油油油油油油 9 愀
悋悴慍悄 悋 :
悋悋悸 g悋惘惺惘悸 惺 悋悋悴悋 [ +,0 ] 惡悋 : g (x)=x 2 1+2x 2 lnx
1_惡 悖 12 x 2x 2 lnx悋 愕 悋悋愆悋惘悸 惺 悋悋悴悋 [ 1,0 ] 57,0
惓 悋愕惠惠悴 悖 0皎) g ( x x 悋悋悴悋 ] 1,0 ] .
2_ 惡 悖 12 x 2x 2 lnx悋 愕 悋悋愆悋惘悸 惺 悋悋悴悋 [ +,1] 57,0
惓 悋愕惠惠悴 悖 0皎) g ( x x 悋悋悴悋 [ +,1 [ .
悋悴慍悄 悋惓悋 :
悋惆悋 悋愕悸 悋愃悋惘惠悸
惘惺惠惡 悋悋悸 悋惘惺惆惆悸 f悋惘惺惘悸 惺 [ +,0 ] 惡悋 f ( x )=( x 1)lnx
2
) (C悋忰 悋惓 悋悸 f 惘惺 惠惘惺悋惆 惴 , , ) (O悋忰惆悸 ( 3cm
)i j
1_悖( 惡 悖 +=) lim f ( x 悖 悵 悋惠悋悴悸 惆 愕悋. 5,0
0 x
0> x
)f ( x )f (x
) lim 惠悋惡悸 惡( 悋忰愕惡 ) lim f ( x惓 惡 悖 += 1
x + x x + x
12 x
( ( 悋愕惠惠悴 悖 悋忰 惡 惘惺 悋愆悋悴悋 惡悋惘 + 惠 惠惆惆 悋惠悋 惺 悋愆 )lnx
x
)g ( x
=) f ' ( x x [ +,0 ] 悖 惆愕悋 悋惠悋悴悸 0=)1( ' . f 2_悖( 惡 悖 52,1
x
惡( 悋愕惠惠悴 悖 悋悋悸 f惠悋惶悸 惺 悋悋悴悋 ] 1,0 ] 惠慍悋惆悸 惺 悋悋悴悋 [ +,1 [ 5,0
悴( 悋惺愀 悴惆 惠愃悋惠 悋悋悸 f惺 悋悋悴悋 [ +,0 ] 惓 惡 悖 0皎) f ( x x [ +,0 ] 5,0
3_悋愆悧 悋忰 ) (C 悋惘惺 ) , , . (O
i j 1
3
x
4_悖( 惡 悖 u : x x惆悋悸 悖惶悸 悋悸 1 x x惺 .
2
5,0
3
2
)2 (x 21)lnx dx= 2 (1+3ln
9
惡( 惡悋愕惠惘惺悋 悸 惡悋悴慍悋悄 惡 悖 1
1
悴( 悋忰愕惡 惡 2 cm愕悋忰悸 忰 悋愕惠 悋忰惶惘 惡 悋忰 ) (C 惘 悋悋惶 52,0
悋愕惠 悋 惘惺悋惆悋悋 1= x 2=x](https://image.slidesharecdn.com/2012-120912143139-phpapp02/85/2012-1-320.jpg)
2012
- 1. 盒暢P姻:堰粥珂鴛禽盒潮 悋惆惘悸 悋惺悋惆悸 2102油油油油油油 9 愀 悋悴慍悄 悋 : 悋悋悸 g悋惘惺惘悸 惺 悋悋悴悋 [ +,0 ] 惡悋 : g (x)=x 2 1+2x 2 lnx 1_惡 悖 12 x 2x 2 lnx悋 愕 悋悋愆悋惘悸 惺 悋悋悴悋 [ 1,0 ] 57,0 惓 悋愕惠惠悴 悖 0皎) g ( x x 悋悋悴悋 ] 1,0 ] . 2_ 惡 悖 12 x 2x 2 lnx悋 愕 悋悋愆悋惘悸 惺 悋悋悴悋 [ +,1] 57,0 惓 悋愕惠惠悴 悖 0皎) g ( x x 悋悋悴悋 [ +,1 [ . 悋悴慍悄 悋惓悋 : 悋惆悋 悋愕悸 悋愃悋惘惠悸 惘惺惠惡 悋悋悸 悋惘惺惆惆悸 f悋惘惺惘悸 惺 [ +,0 ] 惡悋 f ( x )=( x 1)lnx 2 ) (C悋忰 悋惓 悋悸 f 惘惺 惠惘惺悋惆 惴 , , ) (O悋忰惆悸 ( 3cm )i j 1_悖( 惡 悖 +=) lim f ( x 悖 悵 悋惠悋悴悸 惆 愕悋. 5,0 0 x 0> x )f ( x )f (x ) lim 惠悋惡悸 惡( 悋忰愕惡 ) lim f ( x惓 惡 悖 += 1 x + x x + x 12 x ( ( 悋愕惠惠悴 悖 悋忰 惡 惘惺 悋愆悋悴悋 惡悋惘 + 惠 惠惆惆 悋惠悋 惺 悋愆 )lnx x )g ( x =) f ' ( x x [ +,0 ] 悖 惆愕悋 悋惠悋悴悸 0=)1( ' . f 2_悖( 惡 悖 52,1 x 惡( 悋愕惠惠悴 悖 悋悋悸 f惠悋惶悸 惺 悋悋悴悋 ] 1,0 ] 惠慍悋惆悸 惺 悋悋悴悋 [ +,1 [ 5,0 悴( 悋惺愀 悴惆 惠愃悋惠 悋悋悸 f惺 悋悋悴悋 [ +,0 ] 惓 惡 悖 0皎) f ( x x [ +,0 ] 5,0 3_悋愆悧 悋忰 ) (C 悋惘惺 ) , , . (O i j 1 3 x 4_悖( 惡 悖 u : x x惆悋悸 悖惶悸 悋悸 1 x x惺 . 2 5,0 3 2 )2 (x 21)lnx dx= 2 (1+3ln 9 惡( 惡悋愕惠惘惺悋 悸 惡悋悴慍悋悄 惡 悖 1 1 悴( 悋忰愕惡 惡 2 cm愕悋忰悸 忰 悋愕惠 悋忰惶惘 惡 悋忰 ) (C 惘 悋悋惶 52,0 悋愕惠 悋 惘惺悋惆悋悋 1= x 2=x