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#1 Help Me ! » Help!! » 2009-01-09 08:07:21
- Morgana
- Replies: 4
Hi, I am new and need help with a problem that a friend has set me, and I have no idea where to start with this.
The problem is
Prove n(Sum)1 x^3 = [n(Sum)1 x] ^2
if there is anyone here who can talk me through this or show me how its solved, id be very grateful to them. 
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