Hi everyone.

Hoping I can get some help here. I'm fairly confident with Q1 (a) and (c) but not sure how to approach question (b). Do I set it up like a normal absolute value equation with both an x and y variable or do I need to take another approach? For anyone who wants to help, I'll save you the trouble of the first step:

PR=-3i+3j

PS=2i

Any help would be appreciated

20170325_163720[1].jpg