解不等式(x^2-x-6)(x^2-2x-10)>0
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解不等式(x^2-x-6)(x^2-2x-10)>0
解不等式(x^2-x-6)(x^2-2x-10)>0
解不等式(x^2-x-6)(x^2-2x-10)>0
(x^2-x-6)(x^2-2x-10)>0
(x-3)(x+2)(x-5)(x+2)>0
(x+2)²(x-3)(x-5)>0
∴x<-2或-2<x<3或x>5
解不等式(x²-x-6)(x²-2x-10)>0
由原式得(x-3)(x+2)[x-(1+√11)][x-(1-√11)]>0立得解为x<1-√11或-2