document.write( "Question 302194: 3,6,11,18,…..\r
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document.write( "the first four terms of a sequence are shown above. Which of the following could be the formula that gives the nth term of this sequence for all positive integers n ?\r
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document.write( "a 2n b 2n+1 c 3n d n^2+1 e n^2 +2
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Algebra.Com's Answer #216729 by london maths tutor(243)![]() ![]() You can put this solution on YOUR website! The answer is (e) n^2 +2 \r \n" ); document.write( "\n" ); document.write( "nth term = n^2 + 2\r \n" ); document.write( "\n" ); document.write( "When n = 1.... (1)^2 + 2 = 1 + 2 = 3 \n" ); document.write( "when n = 2 ... (2)^2 + 2 = 4 + 2 = 6 \n" ); document.write( "when n = 3 ... (3)^2 + 2 = 9 + 2 = 11 \n" ); document.write( "when n = 4 ... (4)^2 + 2 = 16 + 2 = 18 \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |