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Evaluate : int(e^(1//x))/(x^(3)) dx...

Evaluate : `int(e^(1//x))/(x^(3)) dx`

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To evaluate the integral \( I = \int \frac{e^{\frac{1}{x}}}{x^3} \, dx \), we will follow these steps: ### Step 1: Substitution Let \( t = \frac{1}{x} \). Then, differentiating both sides gives us: \[ dx = -\frac{1}{t^2} \, dt \] Also, we can express \( x \) in terms of \( t \): ...
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