Recommended Questions
- सिद्ध कीजिए n xx ""^(n-1) C(r-1) = (n-r + 1) xx ""^(n) C(r-1)
Text Solution
|
- If n >2, then prove that C1(a-1)-C2xx(a-2)++(-1)^(n-1)Cn(a-n)=a ,w h e...
Text Solution
|
- If 1lt=rlt=n , then \ n^(n-1)Cr=(n-r+1)\ ^n C(r-1)dot
Text Solution
|
- Prove that .^(n)C(0) - .^(n)C(1) + .^(n)C(2) - .^(n)C(3) + "……" + (-...
Text Solution
|
- Prove that (r+1)xx.^(n)C(0)-rxx.^(n)C(1)+(r-1)xx.^(n)C(2)-(r-2).^(n)...
Text Solution
|
- Prove that .^(n)C(r )+.^(n-1)C(r )+..+.^(r )C(r )=.^(n+1)C(r+1)
Text Solution
|
- the roots of the equations |{:(.^(x)C(r),,.^(n-1)C(r),,.^(n-1)C(r-1)...
Text Solution
|
- Show that .^(n)C(r)+.^(n-1)C(r-1)+.^(n-1)C(r-2)=.^(n+1)C(r).
Text Solution
|
- Show that , (.^(n)C(r)+^(n)C(r-1))/(.^(n)C(r-1)+^(n)C(r-2))=(.^(n+1)p...
Text Solution
|