Recommended Questions
- सिद्ध करे कि ""^(n) P(r) = r^(n-1) P(r - 1) + ""^(n -1)P(r)
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- Prove that .^(n-1) Pr+r .^(n-1) P(r-1) = .^nPr
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- Prove that: (i) ""^(n)P(n)=""^(n)P(n-1) " (ii) "^(n)P(r)=n* ""^...
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- सिद्ध कीजिए कि- (i) ""^(n)P(r) = (n-r+1) . ""^(n)P(r-1) , (ii) ""^(n...
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- सिद्ध कीजिए कि - (i) ""^(n)P(n)= ""^(n)P(n-1) , (ii) ""^(n)P(r) = ""...
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- सिद्ध कीजिए कि ""^(n)P(r) = n.""^(n-1)P(r-1)
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- सिद्ध कीजिए कि - (i) (.^(n)P(r))/(.^(n)P(r-2)) = (n-r+1) (n-r+2)...
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- Prove that .^(n)P(r)=.^(n-1)P(r)+r.^(n-1)P(r-1).
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- Show that , .^(n)P(r)=n.^(n-1)P(r-1)=(n-r+1).^(n)P(r-1).
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