what sum of money put at c . i amounts in 2 years to rs . 8820 and in 3 years to rs . 9261 ?
"explanation : 8820 - - - - 441 100 - - - - ? = > 5 % x * 105 / 100 * 105 / 100 = 8820 x * 1.1025 = 8820 x = 8820 / 1.1025 = > 8000 answer is a"
divide(8820, power(add(subtract(divide(9261, 8820), const_1), const_1), 2))