SOLUTION: Can somebody show me how to solve this. Evaluate the factorial expression 100!/98! 2! Thanks!

Algebra ->  Sequences-and-series -> SOLUTION: Can somebody show me how to solve this. Evaluate the factorial expression 100!/98! 2! Thanks!      Log On


   



Question 47828: Can somebody show me how to solve this.
Evaluate the factorial expression
100!/98! 2!
Thanks!

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the factorial expression
100!/98! 2!
100!=[100*99*{98*97*96*.........*3*2*1}]
98!=98*97*96*.........*3*2*1
HENCE 100!/98!=100*99....AS 98,97,96,......3,2,1 CANCEL EACH OTHER
IN FACT WE CAN WRITE 100!=100*99*98!
SO WE GET 100!/98!2! = 100*99/2*1=50*99=4950