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¡‚©[‚Æ  -2021/12/22 (Wed) 07:33
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(1)
ç[0,1]x^2dx + ç[1,2]{(x-1)^2+1}dx
= [x^3/3][0,1] + [(x-1)^2/3 + x][1,2]

‚ ‚Æ‚ÍŒvŽZ‚·‚邾‚¯‚Å‚·B

(2)
ç[0,ƒÎ]sinxdx
= [-cosx][0,ƒÎ]

‚ ‚Æ‚ÍŒvŽZ‚·‚邾‚¯‚Å‚·B

(3)
ç[0,ƒÎ](1+cos2x)dx
= [x + (1/2)sin2x][0,ƒÎ]

(4)
ç[-1,1]{1/ã(1-x^2)}dx
= 2ç[0,1]{1/ã(1-x^2)}dx

x=sint ‚Æ‚¨‚­
dx=costdt
x:-¨1 ‚ɑ΂µ t:0¨ƒÎ/2

—^Ž® = 2ç[0,ƒÎ/2]{cost/ã(1-sin^2t)}dt
= 2ç[0,ƒÎ/2]{cost/cost}dt
= 2ç[0,ƒÎ/2]dt
= ƒÎ


¡SB  -2021/12/22 (Wed) 10:05
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BBS NOTE 8.0b16 Siberia
ExModule NGword
PaintBBS Program (C)‚µ‚¡‚¿‚á‚ñ(shi-cyan)
Reconstructed by Kurdt
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