find out the c . i on rs . 5000 at 4 % p . a . compound half - yearly for 1 1 / 2 years .
"a = 5000 ( 51 / 50 ) 3 = 5306.04 5000 - - - - - - - - - - - 306.04 answer : a"
subtract(multiply(5000, power(add(1, divide(4, const_100)), divide(const_3, 2))), 5000)