a = 2 1. Parallel planes in R3: = 1 + fourth digit of your York student ID = 6 23 2 21 + 3 4+ 42 -6 b = 1 + fifth digit of your York student ID C = 4 Let c = 1 + sixth digit of your York student ID 271+ 3 4+ 42=50 d = 1 + seventh digit of your York student ID -> d26 e = 10 x (1 + eighth digit of your York student ID) 2 p 2 50 Determine the shortest distance between the planes ax + by + cz = d and ax + by + cz = e in R3. [5 marks]