Author Topic: Maths P4 HELP (Read 1508 times)

~M.J~ · « **on:** May 16, 2009, 08:28:40 pm »

Show that 2+4+6+8........+2n=n(n+1)

~M.J~ · « **Reply #1 on:** May 16, 2009, 08:32:53 pm »

wasted 30 mins on this tricky question n got nothin

susman · « **Reply #2 on:** May 16, 2009, 08:33:07 pm »

me as well.....
wasted 30 mins..
its is really time wasting but simple i think because it is of only 2 marks

theigstudent · « **Reply #3 on:** May 16, 2009, 08:37:00 pm »

Show that 2+4+6+8........+2n=n(n+1)

could u tell which pap is it frm so i could help u

~M.J~ · « **Reply #4 on:** May 16, 2009, 08:39:01 pm »

oct/nov 2008 p4

theigstudent · « **Reply #5 on:** May 16, 2009, 08:52:05 pm »

2 (1 + 2 + 3 + ….. + n) =
2 ×n(n +1)
2

= n (n + 1)

~M.J~ · « **Reply #6 on:** May 16, 2009, 08:57:29 pm »

thanxalot
by the way i was so stupid
i didn't look in the ms

theigstudent · « **Reply #7 on:** May 16, 2009, 08:59:09 pm »

its k

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