document.write( "Question 361815: Find the sum of the rest 20 terms of the following series: 4 + 12 + 36 + 108... \n" ); document.write( "
Algebra.Com's Answer #257900 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 4+12+36+108+... = 4(1+3+9+27 +...) \n" ); document.write( "= \n" ); document.write( "= |