The sum of the coefficients of three consecutive terms in the binomial expansion of $(1+x)^{n+2}$, which are in the ratio $1: 3: 5$, is equal to

[JEE Main 2023, 11 Apr (Shift 2)]

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The sum of the coefficients of three consecutive terms in the binomial expansion of $(1+x)^{n+2}$, which are in the ratio $1: 3: 5$, is equal to [JEE Main 2023, 11 Apr (Shift 2)]

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The sum of the coefficients of three consecutive terms in the binomial expansion of \((1+x)^{n+2}\), which are in the ra…

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