💡 Squares
Square near 50
53, 47 jaisi values ke liye
Medium Priority ⭐⭐ 🔒 New
Steps
- n = 50 + a maan lo (a positive ya negative ho sakta hai).
- 2500 + 100×a + a² formula use karo.
- Chhote a ke liye mental math fast hota hai.
Worked example
53² = ?
a=3 → 2500 + 300 + 9 = 2809
Answer: 2809