设P:实数x满足x^2-4ax+3a^20,命题q:实数x满足x^2-x-60,若a设P:实数x满足x^2-4ax+3a^20,命题q:实数x满足x^2-x-60,(1)若a=2.5,且p^q为假 pvq真,求实数x的取值范围
问题描述:
设P:实数x满足x^2-4ax+3a^20,命题q:实数x满足x^2-x-60,若a
设P:实数x满足x^2-4ax+3a^20,命题q:实数x满足x^2-x-60,(1)若a=2.5,且p^q为假 pvq真,求实数x的取值范围
答
(1)命题q:2
答
P:(x-3a)(x-a)