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2μκ° - μ’μ° μμ§μμ μ΄μΌ ꡬννμ§..?
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μν μμ§μμ answer μμ μλ‘ μμ§μ΄λ κ±°λ λ°μΌλ‘ μμ§μ¬μ μνλ²³μ λ§μΆλ κ² μ€ μ΄λ κ²μ΄ μ΅μ μμ§μμΈμ§ λν΄κ°λ©΄ λλλ°,
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λ§μ½ κ³μ μ€λ₯Έμͺ½μΌλ‘λ§ μ΄λνλ κ²½μ°λ μ 체 μ’μ° μμ§μ μλ "λ¬Έμμ΄ κΈΈμ΄ μ -1" μ΄λ€.
λ§μ½ Aλ€μ΄ μ€κ°μ λΌμ΄ μλ€λ©΄ Aκ° μλ μ§μ κΉμ§ μ΄λνλ μμ§μ μλ
"μ€λ₯Έμͺ½μΌλ‘ μ΄λν μ * 2 + λ¬Έμμ΄ κΈΈμ΄ - A κ° λ μ΄μ μ λνλλ μ§μ "
μ΄λ€.
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"(λ¬Έμμ΄ κΈΈμ΄ - A κ° λμ΄μ μ λνλλ μ§μ * 2) + μ€λ₯Έμͺ½μΌλ‘ μ΄λν μ"
μ΄λ€.
π μλ‘κ² μκ²λ λ΄μ©
κ·Έλμ μκ³ νμ΅λλ€ π₯Ή