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· K < Üpœ, r\r  Á ž m 2006 c 4 14 F

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(1)

H ® Œ Æ ê Æ X Á ò

 4  1 1 

2005 / 2006 Æc 1  ÆÏ ‘ § ¶ ¡ êÆ©Û

Áòa. A ò Á/ª 4ò ¦ ^  ? 2005 ?

· K < Üpœ, r\r  Á ž m 2006 c 4  14 F

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2. Áò 4 ŒK, ¹ 13 K, ÷© 100 ©, Ážm 120 ©¨ "

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1.  f ´½Â3 [a, b] þk.¼ê, eé ∀ > 0, Ñ3˜‡© π : a = x 0 <

x 1 < · · · < x n = b, ¦

n−1

X

i=0

ω i · ∆x i < ,

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3.  f ´½Â3 R 2 þ ¼ê. e f x , f y 3z˜:?Ñ3, K f 3 R 2 þë Y. £ 5 ©¤

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1. Qã½È©½Â. £ 5 ©¤

(2)

H ® Œ Æê Æ X Á ò  4  1 2 

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3.  f : R 2 → R 2 •þŠ¼ê. ^ŠóQã f 3 (x 0 , y 0 ) ëY 5. £ 5 ©¤

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2. P I n = R 0 1 (1+x dx

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(3)

H ® Œ Æê Æ X Á ò  4  1 3 

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1. y² lim A→+∞ R 1 A sin x x

α

dx 3, Ù¥ α > 0 ,˜~ê. £ 10 ©¤

2. (i)  f  [0, 1] þ Riemann ŒÈ¼ê, g  R þ±Ï¼ê, ±Ï 1, … g 3 [0, 1] þŒÈ. y²

n→∞ lim

Z 1 0

f (x) · g(nx)dx = (

Z 1 0

f (x)dx) · (

Z 1 0

g(x)dx).

(ii)  f ∈ C 1 [0, 2π]. y²

Z 2π 0

f (x) cos(nx)dx = o( 1 n ).

£ 15 ©¤

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H ® Œ Æê Æ X Á ò  4  1 4 

3. ½Â f : R 2 → R Xe

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4.  f : R 2 → R ëY¼ê. y², f Ø´ü. =, 3ü‡ØÓ: p, q ¦

f (p) = f (q). £ 15 ©¤

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