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Solving integration with by MatLab

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kader
kader 2016-11-10
关闭： MATLAB Answer Bot 2021-8-20
How to solve the following integrations for the values 0 to inf in MATLAB? Here, a and b are constant
1. log(x + 1)*exp(-a*x))/(b*x + 1)
2. log(x + 1)*exp(-a*x))/((b*x + 1)^2)
Please derive the step by step to find a solution.

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回答（1 个）

Walter Roberson
Walter Roberson 2016-11-10
There is no closed form formula for int( (log(x + 1)*exp(-a*x))/(b*x + 1), x, 0, inf)
There is no closed form formula for int(log(x+1)*exp(-a*x)/(b*x+1)^2, x, 0, inf)

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