1.

If s be the sum of the coefficients in the expansion of (px+qy+rz)n,p,q,r>0, then limn→∞S(S1n+1)n=

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If s be the sum of the coefficients in the expansion of (px+qy+rz)n,p,q,r>0, then limnS(S1n+1)n=




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