arg (1+√3i) a) 10 3 b) 2π 3 01-21 c) 3 d) 4π 3 10 =...?

Q: 14. The vectors a and b are such that |a| = 3, |b| = 5 and a. b = -14, then |a – b| = %3D A 62 B V62

A: Solution: Given vectors a and b such that a=3,  b=5 and a·b=-14

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