document.write( "Question 234455: for the series 2+4+8+16+.......... find the sum of 5 terms \n" ); document.write( "
Algebra.Com's Answer #172931 by checkley77(12844) ![]() You can put this solution on YOUR website! SERIES=AR^(N-1)=2*2^(5-1)=2*2^4=2*16=32 \n" ); document.write( "2+4+8+16+32 \n" ); document.write( "SUM=(A-RL)/(1-R) WHERE A=THE FIRST TERM, R=COMMON RATIO & L=LAST TERM. \n" ); document.write( "SUM=(2-2*32)/(1-2)=(2-64)/-1=-62/-1=62 ANSWER. \n" ); document.write( " |