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微分方程(1+y^2)dx-(1+x^2)xydy=0满足当x=1时,y=0的特解为()A:y^2=(x^2-1)/(1+x^2)B:y^2=(2x^2)/(1+x^2)C:y^2=(3x^2-1)/(1+x^2)D:y^2=1/(1+x^2)
题目详情
微分方程(1+y^2)dx-(1+x^2)xydy=0满足当x=1时,y=0的特解为( )
A:y^2=(x^2-1)/(1+x^2) B:y^2=(2x^2)/(1+x^2)
C:y^2=(3x^2-1)/(1+x^2) D:y^2=1/(1+x^2)
A:y^2=(x^2-1)/(1+x^2) B:y^2=(2x^2)/(1+x^2)
C:y^2=(3x^2-1)/(1+x^2) D:y^2=1/(1+x^2)
▼优质解答
答案和解析
选A
因为BCD都不满足初始条件
因为BCD都不满足初始条件
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