baalak, quadratic formula toh yaad hai na? x = [-b ± √(b² - 4ac)] / 2a. Jab root nikal aaye, rounding ke liye decimal ke baad teesre digit tak jao, phir uske aadhaar par do digit tak kato. Hamare maths master ne bataya tha, rounding mein galti se marks kaat lete hain. Kal subah chai peete hue yahi formula ka ek page revision kiya tha, aur papa ki workshop ki fresh deodar ki khushboo aati thi – dono yaad rahenge ab.
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