题目内容

已知命题p:?x∈R,使得x2+(a-1)x+1≥0,则命题p的否定是______.
∵命题p:?x∈R,使得x2+(a-1)x+1≥0,
∴命题p的否定是“?x∈R,使得x2+(a-1)x+1<0”
故答案为:?x∈R,使得x2+(a-1)x+1<0.
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