已知微分方程y'+p(x)y=q(x)[q(x)≠0]有两个不同的特解:y1(x),y2(x),则该微分方程的通解是:(c为任意常数) A.y=c(y1-y2)B.y=c(y1+y2)C.y=y1+c(y1+y2)D. y=y1+c(y1-y2)
已知微分方程y'+p(x)y=q(x)[q(x)≠0]有两个不同的特解:y1(x),y2(x),则该微分方程的通解是:(c为任意常数)
A.y=c(y1-y2)
B.y=c(y1+y2)
C.y=y1+c(y1+y2)
D. y=y1+c(y1-y2)
B.y=c(y1+y2)
C.y=y1+c(y1+y2)
D. y=y1+c(y1-y2)
参考解析
解析:提示:y'+p(x)y=q(x),y1(x) -y2(x)为对应齐次方程的解。
微分方程y'+p(x)y=q(x)的通解为:y=y1+c(y1-y2)。
微分方程y'+p(x)y=q(x)的通解为:y=y1+c(y1-y2)。
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