document.write( "Question 1086104: Identify the correct proof by induction or a counterexample to disprove the following statement. 1+3+5+...+(2n+1)=n(n+1)/2
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #700269 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let $\"n=2\"$
\n" ); document.write( " $\"1%2B3%2B5=9\"$
\n" ); document.write( "and
\n" ); document.write( " $\"2%282%2B1%29%2F2=3\"$
\n" ); document.write( "So,
\n" ); document.write( " $\"1%2B3%2B5%3C%3E%282%282%2B1%29%29%2F2\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );