[" If "sum(r=0)^(25){^(50)C(r)*^(50-r)C(...

[" If "sum_(r=0)^(25){^(50)C_(r)*^(50-r)C_(25-r)}=K(^(50)C_(25))],[" then,"K" is equal to "]

[" If "sum(r=0)^(25){^(50)C(r)*^(50-r)C(25-r)}=K(^(50)C(25))],[" then,...
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Find the coefficient of x^(25) in expansion of expression sum(r=0)^(50...
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The value of sum(r=0)^(50)(.^(100)C(r).^(200)C(150+r)) is equal to
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if sum(r=0)^(25).^(50)C(r)(.^(50-r)C(25-r))=k(.^(50)C25), then k equal...
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If sum(r=0)^25 {.^50Cr*^(50-r)C(25-r)}=K(.^50C25), then K is equal to
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" If "C(r)=^(25)C(r)" and "C(0)+5.C(1)+9.C(2)+....+(101)*C(25)=2^(25)k...
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यदि sum(r=0)^25 {""^(50)C(r).""^(50-r)C(25-r)} = k""^(50)C(25) है , त...
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If C(r)=""^(25)C(r) and C(0)+5*C(1)+9*C(2)+ . . .+(101)*C(25)=225*k, t...
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If Sigma(r=0)^(25) (""^(50)C(r)""^(50-r)C(25-r))=K(""^(50)C(25)), th...
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