Similar Questions
Explore conceptually related problems
Recommended Questions
- " If "np(r)=32760" then "r=
Text Solution
|
- If the number of permutations of n different things taken r at a time ...
Text Solution
|
- if nP(r)=nP(r+1) and nC(r)=nC(r-1) then value of (n+r) is equal to
Text Solution
|
- If 15P(r)=32760, then r=
Text Solution
|
- If nP(r)=5040 then (n,r)=
Text Solution
|
- The value of sum(r=1)^(n)(nP(r))/(r!) is
Text Solution
|
- nP (n) = np (n-1) and nP (r) = rP (n) * nP (nr)
Text Solution
|
- Show that ^(^^)nP(r)=(n-r+1)^(n)P(r-1)
Text Solution
|
- 11. Prove that nP(r)=n(n-1)P(r-1)
Text Solution
|