Home
Class 11
MATHS
" 1.Prove that "^(n)P(r)=^(n-1)P(r)+r^(n...

" 1.Prove that "^(n)P_(r)=^(n-1)P_(r)+r^(n-1)P_(r-1)

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove ""^(n)P_(r)=""^(n-1)P_(r) +r. ""^(n-1)P_(r-1)

Prove that .^nP_r = ^(n-1)P_r + r^(n-1)P_(r-1)

11. Prove that nP_(r)=n(n-1)P_(r-1)

Prove that .^(n-1)P_(r)+r.^(n-1)P_(r-1)=.^(n)P_(r)

Prove that: ""^(n-1)P_r=(n-r)* ""^(n-1)P_(r-1)

Prove that ^nP_r= ^(n-1)P_r+r^(n-1)P_(r-1) (notation used are in their usual meaning).

Show that ""^(n)P_r =""^(n-1) P_r + r, ^(n-1) P_(r-1) Where the symbols have their usual meanings.

Prove that : ^nP_r= "^(n-1)P_r+r ^(n-1)P_(r-1) , for all natural numbers n and r for which the symbols are defined.

Prove that .^(n-1)P_r+r.^(n-1)P_(r-1)=^nP_r .