I= [integral from 1 to ln(8)] [integral from 0 to ln(y)] e^(x+y) dxdy solving for the dx (inside) I get (can I break e^(x+y) to (e^x)(e^y)) (e^y)(e^ln(y)) - e^(y) (e^y)(e^ln(y) -1) outer integral e^((ln(y) -1 + y)) dy Am I doing this wrong?
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Originally Posted by khuezy I= [integral from 1 to ln(8)] [integral from 0 to ln(y)] e^(x+y) dxdy solving for the dx (inside) I get (can I break e^(x+y) to (e^x)(e^y)) (e^y)(e^ln(y)) - e^(y) (e^y)(e^ln(y) -1) outer integral e^((ln(y) -1 + y)) dy Am I doing this wrong? . Note that . Finish things by using integration by parts.
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