Question

i need help

Answer 1

17*16*15*14/(4*3*2*1)

Answer 2

the first four terms of 17! survive because the other 13 cancel with the 13!

Answer 3

so then what is 4!= ?

Answer 4

@sean76034
= 17*16*15*14/(4*3*2*1)

Answer 5

the first four terms of 17! survive because the other 13 cancel with the 13!