Two-unit vectors A = 3î - 4ĵ and B = 2î + 3ĵ  are given in terms of their components. Determine the magnitude of (i) A and (ii) B.

• A. i) 15, ii) (34) ^1/2
• B. i) 18, ii) (22) ^1/2
• C. i) 5, ii) (13) ^1/2
• D. i) 27, ii) (19) ^1/2

Answer: (C)