x² - 2ax - 24a² > 0
(x + 4a)(x - 6a) > 0
當(dāng) a > 0 時,x < -4a 或 x > 6a;
當(dāng) a < 0 時,x < 6a 或 x > -4a
當(dāng) a = 0 時,x ≠ 0
解關(guān)于x的不等式x^2-2ax-24a^2>0我要具體過程
解關(guān)于x的不等式x^2-2ax-24a^2>0我要具體過程
數(shù)學(xué)人氣:306 ℃時間:2020-03-23 01:47:18
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