TP
$I=\int\limits_{-0,5}^{0}\frac{\sqrt{3-4x^{2}-4x}}{4x^{2}+4x+5} dx$
bạn ơi. Mình đã làm thử nhưng không thấy ra. Bạn làm cụ thể ra giúp mình với. –  quachthailang2706 07-03-13 02:15 PM
MÌNH vừa thủ làm rùi. bạn đăt cả căn = t, suy ra 4x2 4x 5 = 8-t2(nhớ đổi cận) thử đi. okchúc học tốt :) –  duongtungln 25-02-13 05:25 PM
ban post len cho minh xem voi. Dien thoai cua minh dang bi hong van chua sua duoc. Minh dang bi ma ban –  quachthailang2706 23-02-13 03:18 PM
K bit ket qua? co dep. k nhi?. mink bien doi? ve luong giac' xong roi.. ma ket' qua? Hoi xau' hihi...! :) CAu co sdt. lien lac.. thi goi vao sdt to nhe' 0976599513 Mink Goi lai doc cho cau xem co dung dc k. –  nguoitinhtrongmong999 22-02-13 09:01 PM
Bài này đã làm ra –  nguyenthihakhanhtb 22-02-13 08:59 PM
Mjnh da xem va lam thu. Mjnh bien doi dua ve tich phan luong giac nhung khong rut gon duoc. Ai lam duoc giup cau ay voi. post luon len cho minh xem voi –  quachthailang2706 19-02-13 06:24 PM

bị xóa vì bị trùng bởi Đức Vỹ 24-10-13 05:15 PM

Câu hỏi này có nội dung hoàn toàn trùng với câu hỏi đã có.

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