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Baffled Sixty dollars
Diễn đàn: Đại số
Bài viết mới nhất: iolesisona
Hôm qua, 09:38 AM
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Stock Quotes FIG newspape...
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08-19-2017, 07:36 PM
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Incredibly ugly Unseal Ok...
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08-18-2017, 11:09 PM
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Dear Bounce back fine No ...
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Bài toán về Đa thức bất k...
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Kềm cắt tôn, kềm cắt ống,...
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07-31-2017, 10:11 AM
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Hàm số
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06-02-2017, 08:28 PM
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Đại số
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Không gian Euclide
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12-30-2016, 11:29 AM
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Áp dụng công thức Green
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12-30-2016, 06:19 AM
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  Stock Quotes FIG newspaper No secret
Đăng bởi: hylesisona - 08-19-2017, 07:36 PM - Diễn đàn: Đại số - Không có trả lời

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  Incredibly ugly Unseal Okay say
Đăng bởi: Cpgtsisona - 08-18-2017, 11:09 PM - Diễn đàn: Đại số - Không có trả lời

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  Dear Bounce back fine No relationship between fat or thin
Đăng bởi: hylesisona - 08-17-2017, 01:17 PM - Diễn đàn: Đại số - Không có trả lời

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  Baffled Sixty dollars
Đăng bởi: iolesisona - 08-13-2017, 10:20 PM - Diễn đàn: Đại số - Trả lời (4)

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  Kềm cắt tôn, kềm cắt ống, kéo cắt cành, tua vít, vít dẹp
Đăng bởi: htpphong - 07-31-2017, 10:11 AM - Diễn đàn: Cơ học - Không có trả lời

Kềm cắt tôn, kềm cắt ống, kéo cắt cành, tua vít, vít dẹp

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  Đại số
Đăng bởi: nhanmath97 - 02-11-2017, 03:49 PM - Diễn đàn: Đại số - Không có trả lời

Đã biết, một ma trận lũy linh thì không khả nghịch. Vậy một ma trận không khả nghịch thì có lũy linh không? Nếu không cho phản ví dụ? Nếu có chứng minh?

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  Hàm số
Đăng bởi: nhanmath97 - 02-06-2017, 04:29 PM - Diễn đàn: Giải tích - Trả lời (6)

Cho f là một hàm số liên tục trên [0,1]. Tính giới hạn:
[Image: gif.latex?%5Clim_%7Bn%5Crightarrow%5Cinf...f%28x%29dx]

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  Không gian Euclide
Đăng bởi: toantin - 12-30-2016, 11:29 AM - Diễn đàn: Đại số - Không có trả lời

Chp P là mặt phẳng trong R^3 được xác định bởi phương trình là phép chiếu trực giao từ R^3 xuống P. hãy viết ma trận biểu diễn  theo cơ sở chính tắc

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  Áp dụng công thức Green
Đăng bởi: toantin - 12-22-2016, 11:16 PM - Diễn đàn: Giải tích - Trả lời (1)

1. Cho [Image: gif.latex?%5Cdpi%7B100%7D%20F%28x%2Cy%29...5Cright%29]. Cho [Image: gif.latex?%5Cdpi%7B100%7D%20C_1] là đường e-lip [Image: gif.latex?%5Cdpi%7B100%7D%209x%5E2+4y%5E2%3D36] và [Image: gif.latex?%5Cdpi%7B100%7D%20C_2] là đường tròn [Image: gif.latex?%5Cdpi%7B100%7D%20x%5E2%20+y%5E2%3D1], đều được định hướng cùng chiều kim đồng hồ. Chứng tỏ tích phân của F trên [Image: gif.latex?%5Cdpi%7B100%7D%20C_1] và trên [Image: gif.latex?%5Cdpi%7B100%7D%20C_2] là bằng nhau

2. Cho [Image: gif.latex?%5Cdpi%7B100%7D%20%5Coverright...28P%2CQ%29] là trường vecto xác định trên mặt phẳn trừ điểm O, có [Image: gif.latex?%5Cdpi%7B100%7D%20%5Cdfrac%7B%...ial%20x%7D] tại mọi điểm. Giả sử 
[Image: gif.latex?%5Cdpi%7B100%7D%20%5Cint_a%20%...7Bs%7D%3D1] và [Image: gif.latex?%5Cdpi%7B100%7D%20%5Cint_b%20%...7Bs%7D%3D2] (Hình vẽ bên dưới). Hãy tính tích phân của [Image: gif.latex?%5Cdpi%7B100%7D%20%5Coverrightarrow%7BF%7D] trên c, d, e.

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  Giải tích vecto
Đăng bởi: toantin - 12-04-2016, 02:29 PM - Diễn đàn: Giải tích - Trả lời (1)

Giúp mình bài này luôn với, đọc không thấy liên quan mấy đến tích phân đường!

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