Recommended Questions
- सिद्ध कीजिए कि sum (r = 0) ^(n) 3^(r) ""^(n) C(r) = 4 ^(n)
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- If sum(r=0)^(n) (n)/(""^(n)C(0))= sum(r=0)^(n) (n^(2)-3n+3)/(2.""^(n)C...
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- If sum(r=0)^(n){("^(n)C(r-1))/('^(n)C(r )+^(n)C(r-1))}^(3)=(25)/(24), ...
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- The expression ""^(n)C(r)+4.""^(n)C(r-1)+6.""^(n)C(r-2)+4.""^(n)C(r-3)...
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- If (1 + x)^(n) = C(0) + C(1)x + C(2) x^(2) + c(3) x^(3) + …+ C(n) x^(...
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- underset(r=0)overset(n-1)(sum)(.^(n)C(r))/(.^(n)C(r)+.^(n)C(r+1)) equa...
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- If k=underset(r=0)overset(n)(sum)(1)/(.^(n)C(r)), then underset(r=0)ov...
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- ""^(n) C(r) + 4 . ""^(n) C(r-1) + 6 . ""^(n) C(r-2) + 4. ""^(n)C(r-3) ...
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- If S(n) = underset (r=0) overset( n) sum (1) /(""^(n) C(r)) and T...
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