解不等式log1/2(x^2-2x-3)≥1/32
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解不等式log1/2(x^2-2x-3)≥1/32
![解不等式log1/2(x^2-2x-3)≥1/32](/uploads/image/z/2959260-60-0.jpg?t=%E8%A7%A3%E4%B8%8D%E7%AD%89%E5%BC%8Flog1%2F2%28x%5E2-2x-3%29%E2%89%A51%2F32)
log1/2(x^2-2x-3)≥1/32 =(1/2)^5
log1/2[log1/2(x^2-2x-3)]≤log1/2(1/2)^5
x^2-2x-3≤5
x≥4 或x≤-2
log1/2[log1/2(x^2-2x-3)]≤log1/2(1/2)^5
x^2-2x-3≤5
x≥4 或x≤-2
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