what is the remainder when ( 71 ) ( 73 ) is divided by 9 ?
"( 71 ) ( 73 ) = ( 72 - 1 ) ( 72 + 1 ) = 72 ^ 2 - 1 which is 1 less than a multiple of 9 . then the remainder will be 8 . the answer is e ."
reminder(multiply(73, 71), 9)