absolute value

[CSmith]

i got =1/12

can someone give me a short way to do this because my answer is long

 

[Sudharaka]

Re: abdolute value

i got =1/12

can someone give me a short way to do this because my answer is long

Hi CSmith,

Can you tell us the method that you used? Your answer is correct.

Kind Regards,
Sudharaka.

 

[CSmith]

Re: abdolute value

By finding the lcf

 

[Sudharaka]

Re: abdolute value

By finding the lcf

Well, here is how I would do it.

\begin{eqnarray}

|2^{-2}-3^{-1}|&=&\left|\frac{1}{4}-\frac{1}{3}\right|\\

&=&\left|\frac{3-4}{12}\right|\\

&=&\left|-\frac{1}{12}\right|\\

&=&\frac{1}{12}\\

\end{eqnarray}