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Mathematics, 16.06.2021 14:00 furryartist554

Miền D giới hạn bởi hai đường tròn y2+x2=1 và x2+y2=25. Khi đó tích phân ∬D(x2+7,6y)dA=∫2π0dθ∫ba[r3cos2θ+C(r )sinθ]dr trong đó

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Miền D giới hạn bởi hai đường tròn y2+x2=1 và x2+y2=25. Khi đó tích phân ∬D(x2+7,6y)dA=∫2π0dθ∫ba[r3c...
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