Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Calcula [begin mathsize 14px style bold lím with bold x bold rightwards arrow bold plus bold infinity below end style] ((-8·x+7)/(9·x+4) - (-8·x+7)/(5·x-4)) Indica el signe del límit.
Right answer summary: The content can not be displayed.
Question state: todo