Recommended Questions
- सिद्ध कीजिए (n!)/(r! xx (n-r)!)+ (n!)/((r-1)! xx(n-r+1)!) = ((n+1))/...
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- Prove that ((n-1)!)/((n-r-1)!)+r.((n-1)!)/((n-r)!)=(n!)/((n-r)!)
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- (ii) (n!)/((n-r)!r!)+(n!)/((n-r+1)!(r-1)!)=((n+1)!)/(r!(n-r+1)!)
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- Prove that (n!)/(r!(n-r)!)+(n!)/((r-1)!(n-r+1)!) =((n+1)!)/(r!(n-r+1...
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- Prove that .^(n)C(0) - .^(n)C(1) + .^(n)C(2) - .^(n)C(3) + "……" + (-...
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- Prove that (r+1)xx.^(n)C(0)-rxx.^(n)C(1)+(r-1)xx.^(n)C(2)-(r-2).^(n)...
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- Prove that : (i) (n!)/(r!)=n(n-1)(n-2)...(r+1) (ii) (n-r+1)*(n!)...
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- N xx N संबंध R इस प्रकार है कि R {(x, y)} in N xx N : y = x + 1}, R^(-...
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- यदि N xx N पर सम्बन्ध R इस प्रकार परिभाषित है की R={(x,y) in N xx N: ...
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