? ning qiymatini toping: (3 − 2x)² = 9 − 12x + ?
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2x²
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4x³
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2x³
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4x²
📝 Batafsil tushuntirish
Qavsni kvadratga oshiramiz: (3 − 2x)² = 3² − 2 × 3 × 2x + (2x)² = 9 − 12x + 4x². Berilgan ifoda bilan solishtirsak, ? o'rnida 4x² bo'lishi kerak.
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❓ Tenglamani bajaring: (2x + 4) / (x − 1) = 4
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❓ Ko'phad ko'rinishida yozing: (8 − a)²
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❓ x − y ning qiymatini toping: 24² + 7² = y² va 20² + x² = y²
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❓ Shakllarga mos qiymatlar yig'indisini toping: 10, Δ, Ο ■, 3, ∇ 0,9, 2
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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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