CUET Preparation Today
In a bank, principal increases continuously at the rate of 5% per year. In how many years will Rs. 1000 double itself? |
20 20 ln 2 10 2 |
20 ln 2 |
dP/dt = (5/100) x P dp/P = dt/20 and the integrate to get : P = 1000 et/20 put P = 2000 and get : t = 20 ln 2 |
