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Feb 2008
383
38
\(\displaystyle 5^{2k+2}-5^{2k} = 24 * 5^{2k}
\)

thanks
 
May 2010
5
1
No! It took me a few minutes to think about what I needed to do. I am in school right now and my major is secondary mathematics education, so it is important for me to actually know this!Don't lose confidence! If you cant figure out a problem the first time, leave it and come back later!