SOLUTION: If P rand is invested for t years at interest rate r, compounded continuously, then the future value of the investment is given by. Express the doubling time of this investment in

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Question 1091957: If P rand is invested for t years at interest rate r, compounded continuously, then the future value of the investment is given by. Express the doubling time of this investment in logarithmic format.?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
P_1=P_0*e^rt
If P_1=2 P_0, then:
2=e^rt
ln 2=ln e^rt=rt ln e
rt=ln 2
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