Given that D=5ax+8ay−3az n C/m² in region x>0, where ε=2.5ε 0 , find D in region x>0.

a) D=5ax+8ay−3az n C/m²
b) D=2.5ax+4ay−1.5az n C/m²
c) D=5ax+8ay−3az C/m²
d) D=2.5ax+4ay−1.5az C/m²