Question

Please Help (See attached) Solve for K

Answer 1

Get rid of the fractions

Answer 2

\[\frac{ a }{ b }-\frac{ b }{ a }=\frac{ 1 }{ k } \]
now solve for k,by adding the frac on the left

Answer 3

\[k=\frac{ b }{ a }-\frac{ a }{ b}\]

but I'm not sure if this is right..

Answer 4

\[\implies \frac{ a^2-b^2 }{ ab }=\frac{ 1 }{ k }\]

Answer 5

yeah, you need to simplify..

Answer 6

now invert

Answer 7

None of those answers fit. I have three possible answers.

Answer 8

we are not done you need to finish the work from here
\[\frac{ 1 }{ k }=\frac{ a^2-b^2 }{ ab }\]