document.write( "Question 1158007: Hi\r
\n" ); document.write( "\n" ); document.write( "The sum of 3 terms of an arithmetic progression is 42 and the product of the
\n" ); document.write( "First and third term is 52.\r
\n" ); document.write( "\n" ); document.write( "Find the 3 terms.\r
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Algebra.Com's Answer #780989 by MathTherapy(10551)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi\r
\n" ); document.write( "\n" ); document.write( "The sum of 3 terms of an arithmetic progression is 42 and the product of the
\n" ); document.write( "First and third term is 52.\r
\n" ); document.write( "\n" ); document.write( "Find the 3 terms.\r
\n" ); document.write( "\n" ); document.write( "Thanks
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I totally agree with TUTOR @IKLEYN!\r\n" );
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document.write( "Middle term of this 3-term A.P., or MEAN = \"matrix%281%2C3%2C+42%2F3%2C+%22=%22%2C+14%29\"\r\n" );
document.write( "Therefore, 1st term = 14 - d, and 3rd term = 14 + d\r\n" );
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document.write( "As the PRODUCT of the 1st and 3rd terms = 52, we get: (14 - d)(14 + d) = 52\r\n" );
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document.write( "                                                      Common difference, or \"matrix%281%2C3%2C+d%2C+%22=%22%2C+%22%22%2B-+12%29\"\r\n" );
document.write( "d = 12\r\n" );
document.write( "1st term: 14 - 12 = 2\r\n" );
document.write( "2nd term: 14 (predetermined)\r\n" );
document.write( "3rd term: 14 + 12 = 26\r\n" );
document.write( "So, when , and the 3 terms are: \"highlight_green%28matrix%281%2C4%2C+%222%2C%22%2C+%2214%2C%22%2C+and%2C+26%29%29\"\r\n" );
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document.write( "d = - 12\r\n" );
document.write( "1st term: 14 - - 12 = 26\r\n" );
document.write( "2nd term: 14 (predetermined)\r\n" );
document.write( "3rd term: 14 + - 12 = 2\r\n" );
document.write( "So, when , and the 3 terms are: \"highlight_green%28matrix%281%2C4%2C+%2226%2C%22%2C+%2214%2C%22%2C+and%2C+2%29%29\"
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