document.write( "Question 1150464: Find the tenth term of a geometric sequence if the third term is 24 and the fifth term is 32/3. \n" ); document.write( "
Algebra.Com's Answer #771852 by ikleyn(52803)\"\" \"About 
You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "            The \"solution\" by @josgarithmetic, giving the unique value of  \"2%2F3\"  to the common ratio,  is  UNCOMPLETED, \r
\n" ); document.write( "\n" ); document.write( "            and,  therefore,  INCORRECT.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "            I came to bring the correct solution.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "\"a%5B3%5D\" = 24\r\n" );
document.write( "\r\n" );
document.write( "\"a%5B5%5D\" = \"32%2F3\"\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\"a%5B5%5D%2Fa%5B3%5D\" = r^2 = \"%28%2832%2F3%29%29%2F24\" = \"32%2F72\" = \"4%2F9\", where r is the common ratio of the progression.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Therefore,  the common ratio r may have TWO possible values,  r = \"2%2F3\"  and  r = \"-2%2F3\".\r\n" );
document.write( "\r\n" );
document.write( "Therefore, looking for \"a%5B10%5D\", we should consider TWO cases.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Case 1.   r = \"2%2F3\".    Then  \"a%5B10%5D\" = \"a%5B5%5D%2Ar%5E5\" = \"%2832%2F3%29%2A%282%5E5%2F3%5E5%29\" = \"2%5E10%2F3%5E6\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Case 2.   r = - \"2%2F3\".    Then  \"a%5B10%5D\" = \"a%5B5%5D%2Ar%5E5\" = \"%2832%2F3%29%2A%28-2%5E5%2F3%5E5%29\" = - \"2%5E10%2F3%5E6\".\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  Under given conditions,  the 10-th term,  \"a%5B10%5D\",  may have one of the two values\r\n" );
document.write( "\r\n" );
document.write( "         \"a%5B10%5D\" = \"2%5E10%2F3%5E6\"   or   \"a%5B10%5D\" = - \"2%5E10%2F3%5E6\".\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );