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MathsMediumMCQ2023 ยท 12 Apr Shift 1

Q66.If n+1 1 nCn + n1 nCnโˆ’1+. . . + 21 nC1 +n C0 = 102310 then n is equal to (1) 9 (2) 8 (3) 7 (4) 6

What This Question Tests

The question assesses the knowledge of standard identities involving binomial coefficients, specifically the sum of nCk/(k+1) terms.

Concepts Tested

Binomial coefficients identitiesSummation of binomial series

Formulas Used

ฮฃ (nCk / (k+1)) = (2^(n+1) - 1) / (n+1)

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