KoreanSAT / data /json /2022 /math_19.txt
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19. ν•¨μˆ˜ $f(x) = x^3 + ax^2 - (a^2 - 8a)x + 3$이 μ‹€μˆ˜ μ „μ²΄μ˜ μ§‘ν•©μ—μ„œ μ¦κ°€ν•˜λ„λ‘ ν•˜λŠ” μ‹€μˆ˜ $a$의 μ΅œλŒ“κ°’μ„ κ΅¬ν•˜μ‹œμ˜€. [3점]