π, 3,15465..., √28, √121 sonlardan nechtasi irratsional son hisoblanadi.

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📝 Detailed explanation

π (pi) — har doim irratsional son.
3,15465... — cheksiz davriy bo'lmagan kasr, irratsional.
√28 — ildizdan butun son chiqmaydi (√28 = 2√7), demak irratsional.
√121 — ildizdan 11 butun soni chiqadi, demak ratsional.
Jami irratsional sonlar soni 3 ta.
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