求定义域 (1)y=log(2x-1为底)(4-x) (2)y=根号内log(2为底)(4x-3)
问题描述:
求定义域 (1)y=log(2x-1为底)(4-x) (2)y=根号内log(2为底)(4x-3)
答
1.
4-x>0,x0,且2x-1≠1
所以,
0.5