Binomial TheoremHard
Question
In the expansion of (1 + x)n (1 + y)n (1 + z)n, the sum of the co-efficients of the terms of degree ′r′ is -
Options
A.n3Cr
B.nCr3
C.3nCr
D.3 . 2nCr
More Binomial Theorem Questions
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