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单选题 设 是二阶常系数非齐次线性微分方程 的一个特解,则

A. a=3, b=2 , c=1

B. a=3, b=2 , c=-1

C. a=-3, b=2, c=-1

D. a=-3, b=2, c=1

学科：高等数学

时间：2025-07-03 05:16:23

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题目4
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A. 正确B. 错误
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题目6
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题目7
单选题
设<img src="https://tihai-oss-cloud.itihey.com/img/e23c6f7a54ab38e56e2af0c5c28c12ea.webp"> 是二阶常系数非齐次线性微分方程<img src="https://tihai-oss-cloud.itihey.com/img/736c89f2527868efa00b91f39eb28eff.webp"> 的一个特解,则
A. a=3, b=2 , c=1B. a=3, b=2 , c=-1C. a=-3, b=2, c=-1D. a=-3, b=2, c=1
题目8
多选题
对下列二阶常系数线性非齐次微分方程,所设特解形式无误的是
A. 方程<img src="https://tihai-oss-cloud.itihey.com/img/11862f5e2d657864b3d180c1d55cd0d3.webp">的特解可设为<img src="https://tihai-oss-cloud.itihey.com/img/2047ecd5da5d88f653722b9acaa6e7ad.webp">B. 方程<img src="https://tihai-oss-cloud.itihey.com/img/73c0bc85a93db39ebcfa0881b3650bcc.webp">的特解可设为<img src="https://tihai-oss-cloud.itihey.com/img/b6a90f8e369d7ec13a6b64f4beb59746.webp">C. 方程<img src="https://tihai-oss-cloud.itihey.com/img/00503fb33487285bdf0f819109ce57f8.webp">的特解可设为<img src="https://tihai-oss-cloud.itihey.com/img/3e948f18f7d525cf0d1ca5dfc71075a0.webp">D. 方程<img src="https://tihai-oss-cloud.itihey.com/img/871bbf278a94bd3cde885fd9af52cfbd.webp">的特解可设为<img src="https://tihai-oss-cloud.itihey.com/img/011eb5a6dc5878812fcdd0ca65c2f783.webp">
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