Prove that
(
)
1,
1
,
nPnnPnn
− − =
.
Prove that "^nP_{n}=^nP_{n-1}"
Proof:
"^nP_{n}=n!"
"^nP_{n-1}=\\frac{n!}{[n-(n-1)]!}=\\frac{n!}{1}=n!"
Need a fast expert's response?
and get a quick answer at the best price
for any assignment or question with DETAILED EXPLANATIONS!
Comments
Leave a comment