document.write( "Question 1162852: What is the general term of 3, 6, 11, 18
\n" ); document.write( "
\n" ); document.write( "I think the common difference is 3+(n-2)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #786730 by math_helper(2461) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "k                 Diff
\n" );
document.write( "--    ----------     ----
\n" );
document.write( "1          3           -
\n" );
document.write( "2          6           3
\n" );
document.write( "3          11          5 
\n" );
document.write( "4          18          7\r
\n" );
document.write( "\n" );
document.write( "The next difference will be 9, we see the differences are the odd integers starting with 3, so we can use the property that the sum of the first n odd numbers is , noting that we must subtract 1,  to write:\r
\n" );
document.write( "\n" );
document.write( "  k=1,2,3,...\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "

\n" );