" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 1/7! (1 + 2/8 - 4/(8 x 9))
= 1/7! (1 + 1/4 - 1/18)
= 1/7! ((72 + 18 - 4)/72)
= 1/7! (86/72)
= 1/7! (7/4)
= 1/(6!7) (7/4)
= 1/2880