Kvadrat tenglamani yeching: 12x² + 7x + 1 = 0
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(0; -1)
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(¹/₃; ¹/₄)
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(−¹/₃; −¹/₄)
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(¹/₃; −¹/₂)
📝 Batafsil tushuntirish
Diskriminantni hisoblaymiz: D = 7² − 4 × 12 × 1 = 49 − 48 = 1. Ildizlarni topamiz: x₁ = (−7 + 1) / 24 = −⁶/₂₄ = −¹/₄; x₂ = (−7 − 1) / 24 = −⁸/₂₄ = −¹/₃. Yechim: (−¹/₃; −¹/₄).
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📋 Mavzu bo‘yicha o‘xshash savollar
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❓ x − y ning qiymatini toping: 24² + 7² = y² va 20² + x² = y²
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❓ Agar ¹⁷/₁₈ < ¹⁸/₁₉ bo'lsa, u holda 4,21 ning butun qismini, aks holda 7,28 ning kasr qismini toping.
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❓ ? ning qiymatini toping: (3 − 2x)² = 9 − 12x + ?
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❓ Shakllarga mos qiymatlar yig'indisini toping: 10, Δ, Ο ■, 3, ∇ 0,9, 2
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❓ 72 sonining natural bo'luvchilari sonini toping?
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