document.write( "Question 829923: The first term of a geometric series is 3, and the sum of the first term and the second term is 15. What is the sum of the first six terms?
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Algebra.Com's Answer #500217 by reviewermath(1029)![]() ![]() You can put this solution on YOUR website! Question: \n" ); document.write( "The first term of a geometric series is 3, and the sum of the first term and the second term is 15. What is the sum of the first six terms? \n" ); document.write( "------------------------------------------------------------ \n" ); document.write( "Answer: \n" ); document.write( "3 + 3r = 15 \n" ); document.write( "3r = 12 \n" ); document.write( "r = 4 \n" ); document.write( "The sum of the first 6 terms is equal to \n" ); document.write( "3 + 12 + 48 + 192 + 768 + 3072 = |