Trick Guide

šŸ’” Squares

n² = (nāˆ’1)(n+1) + 1

Neighbour multiply + 1

Medium Priority ⭐⭐ šŸ”’ New
🧠 Trick Drill

Steps

  1. n ke just pehle aur baad wale number multiply karo.
  2. Answer mein +1 karo.

Worked example

17² = ?

16 Ɨ 18 = 288, +1 = 289

Answer: 289

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