Please help me this question?
Technically this is a math problem because it involves integration only.
Perform integration by parts on I:
For a proof, see https://socratic.org/questions/can-you-find-the-limit-lim-xrarroo-xe-x-2?source=search
M= 8264 yrs
To verify this answer, compute C-14 half-life:
and compare it to the standard C-14 half-life =