what is the unit digit of ( 6 ! * 6 ! / 6 ! * 3 ! ) ?
( 6 ! * 6 ! / 6 ! * 3 ! ) = ( 6 ! / 3 ! ) = 720 / 6 = 120 units digit of the above product will be equal to 0 answer a
divide(multiply(factorial(6), factorial(6)), multiply(factorial(6), factorial(3)))