求函数f(x)loga(3-2x-x²)(0
问题描述:
求函数f(x)loga(3-2x-x²)(0
答
3-2x-x^2=4-(x+1)^2
定义域为-4
求函数f(x)loga(3-2x-x²)(0
3-2x-x^2=4-(x+1)^2
定义域为-4