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Mathematics 9 Online
OpenStudy (anonymous):

integral of 1/(y(lny)^3) dy

OpenStudy (anonymous):

make substitution Ln y = t 1/y dy = dt and you get: Integral of t^-3dt

OpenStudy (anonymous):

what is t?

OpenStudy (anonymous):

Never mind i got it. thanks

OpenStudy (anonymous):

change of variable, to make integration more easy

OpenStudy (anonymous):

give medal?

OpenStudy (anonymous):

medal given

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