1(a) Evaluate the integral ∫(2à0) ln(1+x²)dx(b) by evaluating lim(nà∞) (1/n) (1+k²/n²),
Find the value of lim(nà∞) (1/n^4)Π(k=1à2π) (n²+k²)^(1/n)
2(a) Evaluate ∫(πà0) cos²x dx
(b) Using (a) to evaluate lim(nà∞) Σ(k=1àn) (1/n) cos²(kπ/n)
pure (very urgent!!!)
2010-08-31 7:43 pm
回答 (1)
2010-09-01 6:05 am
✔ 最佳答案
Question 1b, is the summation sign missed?2010-08-31 22:05:53 補充：
As follows:
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圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/05-76.jpg
圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/06-61.jpg
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