💡 Cubes
Cube from neighbour
Pichla cube se next build karo
Medium Priority ⭐⭐ 🔒 New
Steps
- Chhota cube yaad rakho (e.g. 6³ = 216).
- Formula: n³ = (n−1)³ + 3n² − 3n + 1 use karo.
- Ya direct neighbour se step add karo.
Worked example
7³ = ?
6³=216 → +147−21+1 = 343
Answer: 343