" If "C(r)=^(10)C(r)" and "sum(r=1)^(10)...

" If "C_(r)=^(10)C_(r)" and "sum_(r=1)^(10)(r*C_(r))/(C_(r-1))=k" then the value of "(k)/(11)

" If "C(r)=^(10)C(r)" and "sum(r=1)^(10)(r*C(r))/(C(r-1))=k" then the ...
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The value of r(0<=r<=10)f or which(^(20)C(0)).(^(10)C(0))+(^(20)C(r-1)...
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The value sum(r=1)^(10)r.(n(C(r)))/(n(C(r-1))) is equal to
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If C(r)=10C(r), then sum(r=1)^(10)C(r-1)C(r) is equal to
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The value ofsum(r=0)^(10) (-1)^(r).4^(10-r)""^(30)C(r)""^(30-r)C(10-r)...
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The value of sum(r=1)^(10) r. (""^(n)C(r))/(""^(n)C(r-1) is equal to
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Let S = sum (r=1)^(30) (""^(30+r)C(r) (2r-1))/(""^(30)C(r)(30+r)),K=su...
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sum(r=0)^(10) (-1)^(r) (""^(10)C(r))/(""^(r+2)C(r)) is equal to .
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यदि C(r )=((10),(r)) है, तब underset(r=1)overset(10)Sigma C(r -1)C(r )...
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