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Mathematics, 29.07.2021 04:40 potatocow

Phương trình vi phân (y')^2 + y^2 = 1 có nghiệm là y = sin(x + c)
nghiệm này là nghiệm gì ?
A. Nghiệm riêng
B. Nghiệm kỳ dị
C. Nghiệm tổng quát
D. Nghiệm của bài toán Caudy với giá trị ban đầu

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Phương trình vi phân (y')^2 + y^2 = 1 có nghiệm là y = sin(x + c)
nghiệm này là nghiệm gì ?
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