*PM : a lecture on integration by substitution, id = 7573-- WP guess : a lecture on integration by substitution-- Status:
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*PM : a lecture on integration by substitution, id = 7573-- WP guess : a lecture on integration by substitution-- Status:
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In integration by substitution and integration by parts, it is crucial to be able do identify the variable of integration .-- talk ) 01 : 00, 10 February 2009 ( UTC)
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The integration by substitution article states this in terms of measure theory, but I'm sure the proof for this can't be that much more complicated than the case of double integrals .-- ( talk ) 00 : 20, 13 June 2013 ( UTC)
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And thus, formally, " ? " 2 ( " t " ) " dt " } }, which is the required substitution for . ( One could view the method of integration by substitution as a justification of Leibniz's notation for integrals and derivatives .)
