Trick Guide

💡 Cubes

Cube from neighbour

Pichla cube se next build karo

Medium Priority ⭐⭐ 🔒 New
🧠 Trick Drill

Steps

  1. Chhota cube yaad rakho (e.g. 6³ = 216).
  2. Formula: n³ = (n−1)³ + 3n² − 3n + 1 use karo.
  3. Ya direct neighbour se step add karo.

Worked example

7³ = ?

6³=216 → +147−21+1 = 343

Answer: 343

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