ПОМОГИТЕ!!!! ∫e^1/x*dx/x^2

Question

ПОМОГИТЕ!!!! ∫e^1/x*dx/x^2

Answer 1

T=e^1/x
dt=e^1/x*(-1/x)²dx
Se^1/x/x²=-Sdt=-t=-e^1/x +C

Answer 2

Прикрепляю листочек...................................

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