Question

( x^{2}+a^{x^{9}+a^{9}}=9 )
( x^{-7-a}=frac{a^{9}+a^{7}}{-a+a}=frac{0}{0} )
h- Hospitais rule
( lim _{x rightarrow-a} frac{9 x^{8}}{1}=9 )
begin{tabular}{l}
( (-a)^{8}=9 )
( a^{8}=9 )
( a^{4}=pm 3 )
( a=(+3)^{1 / 4} )
hline( a=3^{1 / 4} )
end{tabular}

# Single Choice +4/-1 lim **+=9 If x -a X-a then one of the value of a is:

Solution