document.write( "Question 976000: find the sum of the first 12 terms of the geometric sequence 2, 6, 18, 54,.... \n" ); document.write( "
Algebra.Com's Answer #597685 by Iambibek1(1)![]() ![]() ![]() You can put this solution on YOUR website! Here, \n" ); document.write( "1st term(a)=2 \n" ); document.write( "common ratio(r)=t2/t1=3 \n" ); document.write( "So,We have, \n" ); document.write( "Sn=a(r^(n-1))/(r-1) \n" ); document.write( "S12={2(3^(12-1)}/(3-1) \n" ); document.write( "By solving this we can get sum of 12 terms=3^11 \n" ); document.write( " |