Respuesta :

Under the assumption your expression is [tex]\frac{3}{4a}[/tex], a cannot equal 0.  If a=0, then 4a=0 and we have division by 0, which is undefined.
If your original expression was [tex]\frac{3}{4}a[/tex], a could be any real number.
17douglasgDigits

they are correct the answer is 0