evaluate combination 98 c 96 = 98 ! / ( 96 ) ! ( 2 ) !
explanation : ncr = n ! / ( r ) ! ( n − r ) ! 98 c 96 = 98 ! / ( 96 ) ! ( 2 ) ! = 98 ∗ 97 * 96 ! / ( 96 ) ! ( 2 ) ! = 98 * 97 / 2 ∗ 1 = 4753 option b
divide(multiply(98, subtract(98, const_1)), 2)