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More Binomial Theorem Questions
The value of (nC2 − 2. nC3 + 3.nC4 − 4.nC5 + .....) is equal to -...If (1 + x)n = C0 + C1x + C2 x2 + C3x3 + ....+ Cnxn, then the value of C1+ C2 + C3 + ...+ Cn is-...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 -...If (15Cr + 15Cr-1) (15C15-r + 15C16-r) = (16C13)2, then the value of r is -...Set of values of r for which, 18Cr-2 + 2 . 18Cr-1 + 18Cr ≥ 20C13 contains -...