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f5 amaths
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By consider the derivative of y=xsin2x,show that π/6 ∫ xcos2xdx=-1/2 0
As follows~ 圖片參考：http://i204.photobucket.com/albums/bb125/jasonchan424/301.jpg 2007-11-12 22:57:20 補充： To myisland8132:題目要'By consider the derivative of y=xsin2x'
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f5 amaths
發問:
By consider the derivative of y=xsin2x,show that π/6 ∫ xcos2xdx=-1/2 0
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最佳解答:As follows~ 圖片參考：http://i204.photobucket.com/albums/bb125/jasonchan424/301.jpg 2007-11-12 22:57:20 補充： To myisland8132:題目要'By consider the derivative of y=xsin2x'
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