Quostiont4 Let region 1 (z<0) be composed of a uniform dielectric material with dielectric constant ɛ,, while region 2 (z>0) is characterized by another dielectric constant In region1, let D, = d£ + bŷ + c2 C/m2. Please find: 1. Dni 2. Du and Dt1 3. Angle between z axis and D, in region 1: 0, 4. Dn2

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