作业帮y=1/2·x·√(ln[x+²√(x²﹢a²)],求dy/dx及d²y/dx².
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/18 07:45:32
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y=1/2·x·√(ln[x+²√(x²﹢a²)],求dy/dx及d²y/dx².
y=1/2·x·√(ln[x+²√(x²﹢a²)],求dy/dx及d²y/dx².
y=1/2·x·√(ln[x+²√(x²﹢a²)],求dy/dx及d²y/dx².