a+b+c+d=1a>0 b>0 c>0 d>0P=根号下3a+1加上根号下3b+1加上根号下3c+1加上根号下3d+1求P的范围
问题描述:
a+b+c+d=1a>0 b>0 c>0 d>0P=根号下3a+1加上根号下3b+1加上根号下3c+1加上根号下3d+1求P的范围
答
2
a+b+c+d=1a>0 b>0 c>0 d>0P=根号下3a+1加上根号下3b+1加上根号下3c+1加上根号下3d+1求P的范围
2