a6dx的知识精选

命题p:已知数列{an}为等比数列,且满足a3•a6=dx,则logπa4+logπa5=;命题q:“∀x∈R...
问题详情:命题p:已知数列{an}为等比数列,且满足a3•a6=dx,则logπa4+logπa5=;命题q:“∀x∈R,sinx≠1”的否定是“∃x∈R,sinx=1”.则下列四个命题:¬p∨¬q、p∧q、¬p∧q、p∧¬q中,正确命题的个数为()A.4    B.3     C.2    ...
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