sum of two numbers is 25 and their difference is 13 . find their product .
"explanation : friends , this sort of question is quite important in competitive exams , whenever any question come which have relation between sum , product and difference , this formula do the magic : = > ( x + y ) 2 = ( x − y ) 2 + 4 xy < = > ( 25 ) 2 = ( 13 ) 2 + 4 xy < = > 4 xy = ( 25 ) 2 − ( 13 ) 2 < = > xy = 456 / 4 = 114 option c"
subtract(25, divide(subtract(25, divide(13, const_2)), const_2))