$\int\limits_{0}^{\pi /2}ln(\frac{(1+sinx^{1+cosx})}{1+cosx})dx$
$\int\limits_{0}^{\pi /4}ln(1+tanx)dx$
đăng rồi kia –  Wade 04-01-15 11:46 PM
chuyên cơ ơi a đăng lời giải đi ạ,hơn 30p r kìa –  Minn 04-01-15 11:45 PM
í e ns trước 30p a đừng ân lời giải –  Wade 04-01-15 11:14 PM
haha thế a giải đi e đợi xem –  thuylinhnguyen2611 04-01-15 11:14 PM
để 2 đưa kia giải a ưi –  Wade 04-01-15 11:14 PM
a giải 2 pai nè nha, 5 fut latex –  Dép Lê Con Nhà Quê 04-01-15 11:12 PM
dép lê mong anh đưung giải trươc luc 30p trôi qua –  Wade 04-01-15 11:10 PM
Bài 1 như ảnh

Bài 2 đặt $x=\dfrac{\pi}{4}-t$ tự làm nha, đang rất bận


:))))))) –  Wade 04-01-15 11:56 PM
phóng to web lên nhìn rõ phát 1 –  Dép Lê Con Nhà Quê 04-01-15 11:53 PM
ảnh bé quớ @@ –  Minn 04-01-15 11:48 PM
:((((((((((((( –  Wade 04-01-15 11:38 PM
ê đâu kêu a lam chán a –  Wade 04-01-15 11:38 PM

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