PROBLEM 1.38 Express the unit vectors r,θ,ϕ in terms of x,y, z GRIFFITH ELECTRODYNAMICS 4TH EDITION URDU/HINDI

PROBLEM 1.38 Express the unit vectors r,θ,ϕ in terms of x,y, z GRIFFITH ELECTRODYNAMICS 4TH EDITION URDU/HINDI

 

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