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Mathematics, 09.08.2021 05:10 jd326677777gfc

Tính tích phân sau bằng cách dùng tọa độ cực I=∫∫ \frac{1}{\sqrt{x^{2} +y^{2} } }dxdy R là miền nằm trọg góc phần tư thứ nhất thỏa mãn 4\leq x^{2} +y^{2} \leq 9

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Tính tích phân sau bằng cách dùng tọa độ cực I=∫∫ dxdy R là miền nằm trọg góc phần tư thứ nhất thỏa...

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