已知m∈R,向量a=(-1,x²+m),向量b=(m+1,1/x),向量c=(-m,x/(x+m)).1.当m=-1时已知m∈R,向量a=(-1,x²+m),向量b=(m+1,1/x),向量c=(-m,x/(x+m)).当m=-1时,求绝对值a*b<1成立的x的取值范围
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![已知m∈R,向量a=(-1,x²+m),向量b=(m+1,1/x),向量c=(-m,x/(x+m)).1.当m=-1时已知m∈R,向量a=(-1,x²+m),向量b=(m+1,1/x),向量c=(-m,x/(x+m)).当m=-1时,求绝对值a*b<1成立的x的取值范围](/uploads/image/z/5160495-39-5.jpg?t=%E5%B7%B2%E7%9F%A5m%E2%88%88R%2C%E5%90%91%E9%87%8Fa%3D%EF%BC%88-1%2Cx%26%23178%3B%2Bm%EF%BC%89%2C%E5%90%91%E9%87%8Fb%3D%EF%BC%88m%2B1%2C1%2Fx%EF%BC%89%2C%E5%90%91%E9%87%8Fc%3D%EF%BC%88-m%2Cx%2F%28x%2Bm%29%EF%BC%89.1.%E5%BD%93m%3D-1%E6%97%B6%E5%B7%B2%E7%9F%A5m%E2%88%88R%2C%E5%90%91%E9%87%8Fa%3D%EF%BC%88-1%2Cx%26%23178%3B%2Bm%EF%BC%89%2C%E5%90%91%E9%87%8Fb%3D%EF%BC%88m%2B1%2C1%2Fx%EF%BC%89%2C%E5%90%91%E9%87%8Fc%3D%EF%BC%88-m%2Cx%2F%28x%2Bm%29%EF%BC%89.%E5%BD%93m%3D-1%E6%97%B6%2C%E6%B1%82%E7%BB%9D%E5%AF%B9%E5%80%BCa%2Ab%EF%BC%9C1%E6%88%90%E7%AB%8B%E7%9A%84x%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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