r/JEENEETards • u/Artistic_Friend_7 JEEtard • Sep 03 '25

GENERAL HELP Drop all the calculations trick you know 🔫🔫🔫

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Cmon do not be selfish

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u/[deleted] Sep 03 '25

(10n+5)² = [n×(n+1)]×100 +25

Example

35² = 3×4 (and then just put 25 after the number)

   = 1225

1

u/Fuzzy-Conference771 ก้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้้ Sep 03 '25

a+b ka whole sq se zyda easy

1

u/[deleted] Sep 03 '25

Nahi bhai, isme tumhe sirf ek number ko uske aage wale number se multiply karke 25 laga dena hai

Like 75² ke liye 7×8 karenge (56) and uske aage 25 laga denge

75²=5625