math help SOS? - XP Math - Forums

 XP Math - Forums math help SOS?

 07-27-2007 #1 toty467 Guest   Posts: n/a math help SOS? I need a general term for the following sequences...2/3, 3/4, 4/5, 5/6, 6/7 the next one is -3, 6, -9, 12, -15 and the last one is 3, 9, 27, 81, 243 thanx for all who help me with these you all are true angels muahz whoever answers the best gets best answer
 07-27-2007 #2 Teh Pwnzor Guest   Posts: n/a First one is 1+n/2+n, n being the number in the sequence.Second one is (-1^n) x (3n), n being the number in the sequence.Third is 3^n, n being the number in the sequence.Hope that helps and good luck.
 07-27-2007 #3 Yash Guest   Posts: n/a 2/3, 3/4, 4/5, 5/6, 6/7nth term will be (n+1)/(n+2)-3, 6, -9, 12, -15nth term: 3*n*(-1)^n3, 9, 27, 81, 243nth term: 3^n
 07-27-2007 #4 funda40 Guest   Posts: n/a The i th. number in the following sequences are - First sequence: i/(i+1)Second sequence: ((-1)^i)*3*iThird sequence: 3^i

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