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العام للمعادلة التفاضلية التالية: ( Variation of parameters) : x?y*+ 4xy' +2y=-x? x +1
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العام للمعادلة التفاضلية التالية: ( Variation of parameters) : x?y*+ 4xy' +2y=-x? x +1
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Tue Sep 07, 2021 7:21 am
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answerhappygod
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العام للمعادلة التفاضلية التالية: ( Variation of parameters) : x?y*+ 4xy' +2y=-x? x +1