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If the coefficients of three consecutive...

If the coefficients of three consecutive terms in the expansion of `(1+x)^n` are in the ratio 1:7:42, then find the value of `ndot`

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To solve the problem, we start with the given information about the coefficients of three consecutive terms in the expansion of \((1+x)^n\) being in the ratio \(1:7:42\). ### Step-by-Step Solution: 1. **Identify the Terms**: Let the three consecutive terms be represented as \(T_{r-1}, T_r, T_{r+1}\). The coefficients of these terms are given by: \[ ...
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