Question

1

Answer 1

\[\frac{3}{9}+\frac{k}{a^2}-\frac{2}{a^3}\]\[=\frac{1}{3}+\frac{k}{a^2}-\frac{2}{a^3}\]\[=\frac{a^3}{3a^3}+\frac{ka}{a^3}-\frac{2}{a^3}\]\[=\frac{a^3+ka-2}{a^3}\]

Answer 2

Thank you so much!!

Answer 3

welcome :)