document.write( "Question 998451: the fifth abd fifteenth term of an AP is 13 and 17 .find the sum of first 21 term \n" ); document.write( "

Algebra.Com's Answer #616230 by MathTherapy(10552) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "the fifth abd fifteenth term of an AP is 13 and 17 .find the sum of first 21 term
\n" ); document.write( "

Are you sure this is the problem?
\n" );
document.write( "If so, it involves a lot of fractions/decimals
\n" );
document.write( "You should get: Common difference, or  
\n" );
document.write( "You should get: First term, or  
\n" );
document.write( "You should get: Sum of first 21 terms, or  \n" );
document.write( "

\n" );