题目内容
的什么条件?并说明理由.?
(1)A: |p|≥2,p∈R,B:方程x2+px+p+3=0有实根;
(2)A:圆x2+y2=r2与直线ax+ by+ c=0相切,B:c2=(a2+b2)r2.
(1)A:|p|≥2,p∈R,B:方程x2+px+p+3=0有实根;
(2)A:圆x2+y2=r2与直线ax+by+c=0相切,B:c2=(a2+b2)r2.
(1)A:|p|≥2,p∈R,B:方程x2+px+p+3=0有实根;?
(2)A:圆x2+y2=r2与直线ax+by+c=0相切,B:c2=(a2+b2)r2.?
(1)A:|p|≥2,p∈R,B:方程x2+px+p+3=0有实根;
(2)A:圆x2+y2=r2与直线ax+by+c=0相切,B:c2=(a2+b2)r2.