The Student Room Group
Reply 1
rt=etlnrr^t = e^{t \ln r}
Reply 2
d(rt)/dx=rtlna d(r^t)/dx=r^t ln a

so do in reverse for integration.
Reply 3
Thanks guys!!! =D
Reply 4
S.R
d(rt)/dx=rtlna d(r^t)/dx=r^t ln a

so do in reverse for integration.

rtlnrr^t\ln r
Reply 5
Ooft, a double whammy error... good work S.R. :biggrin: (And me for not spotting it)

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