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What is the result of the summation Σ₀≤k≤n ∑ᵢ i * Cᵢ?
- n(n + 1)2ⁿ⁻³
- n²2ⁿ⁻³
- n(n − 1)2ⁿ⁻³
- None of the above
Correct answer: n²2ⁿ⁻³
Solution
The value of Σ₀≤k≤n ∑ᵢ i * Cᵢ is calculated using summation formulas and binomial coefficients, resulting in the value n²2ⁿ⁻³.
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