document.write( "Question 1127086: Tn=3r^n-1,where r>0 Is the nth term of a geometric sequence. If the third term is 48 determine r \n" ); document.write( "

Algebra.Com's Answer #743432 by ikleyn(52788) $\"\"$ $\"About$

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document.write( " =  = 48  ====>\r\n" );
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document.write( " =  = 16  ====>  r =  = +/- 4.\r\n" );
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document.write( "Since r should be positive, according to the condition, it implies that r = 4.\r\n" );
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document.write( "Answer.  r,  or the common ratio, is equal to  4.\r\n" );
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