document.write( "Question 935569: suppose A1=2 and A(n+1)=3A(n)+2. Write the first five terms of the sequence. Then write an explicit formula for An. \n" ); document.write( "
Algebra.Com's Answer #568821 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! THAT makes better sense. Start at n=1, use the formula, and work forward.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You find the next three terms.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You also wanted to find the explicit formula. \n" ); document.write( "On paper, the process of composing the first few successive terms is messy. I found for the fifth term, This: \n" ); document.write( " \n" ); document.write( "I can guess, if this remains workable, that the pattern is apparent. This seems to be based on the sum of a geometric sequence. \n" ); document.write( "... \n" ); document.write( "Fifth term should be 242. \n" ); document.write( "I would guess along the apparent formula that the sixth term would be 728. \n" ); document.write( " |