Math 152 2017 Question A13

Fragment of a discussion from User talk:AiliShao

thanks！i think you are right. i have corrected it.

AiliShao (talk)‎22:05, 20 January 2018
Retrieved from "https://wiki.ubc.ca/Thread:User_talk:AiliShao/Math_152_2017_Question_A13/reply#Math_152_2017_Question_A13_9746"