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OOO

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The value of E( (||X-μ||-c)^2 )

I would like to ask one more question.

X ~ N (μ, σ2)

If X = [x1 x2] and μ = [μ1 μ2]. What is the value of E( (||X- μ||-c)^2 )?

where c is constant and E(||X- μ||^2)= σ2

Thank ...