Option B and Option D represent rational equation.
A rational equation is defined as any equation that can write in p/q form where q not equal to zero.
From given option it is observed that,
Option B, [tex]\frac{1}{2}x-\frac{1}{3} =4-x [/tex]
option D, [tex]\frac{6}{x}-1=\frac{4}{x-2} [/tex]
Both option have fraction term.
Hence, Option B and Represent rational equation.
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