科数网
试题 ID 23345
【所属试卷】
李红《复变函数与积分变换》(拉普拉斯变换)课堂训练
用拉氏变换解方程
$$
\left\{\begin{array}{lc}
y^{\prime \prime}-x^{\prime \prime}+x^{\prime}-y=e^t-2, & x(0)=x^{\prime}(0)=0 \\
2 y^{\prime \prime}-x^{\prime \prime}-2 y^{\prime}+x=-t, & y(0)=y^{\prime}(0)=0
\end{array}\right.
$$
A
B
C
D
E
F
答案：
答案与解析仅限VIP可见
解析：
答案与解析仅限VIP可见
用拉氏变换解方程<br>$$<br>\left\{\begin{array}{lc}<br>y^{\prime \prime}-x^{\prime \prime}+x^{\prime}-y=e^t-2, & x(0)=x^{\prime}(0)=0 \\<br>2 y^{\prime \prime}-x^{\prime \prime}-2 y^{\prime}+x=-t, & y(0)=y^{\prime}(0)=0<br>\end{array}\right.<br>$$ <div> </div> <br /> <br /> <b>答案</b> <div> 答案与解析仅限VIP可见 </div> <br /> <br /> <b>解析</b> <div> 答案与解析仅限VIP可见 </div>