Question

( 84 cdot gamma ln left(frac{x^{3}+e}{x^{2}+1}right) )
( frac{x^{2}+e}{x^{2}+1}>0 )
say den
as denominatar and mumerator cannat be sero it is true for all ( x )
( therefore x in B )
( therefore ) Range is all real lo.

# 84. If f(x)= In then range of f(x) is

Solution