steverulz55
Member
- Joined
- May 8, 2004
- Messages
- 40
- Gender
- Male
- HSC
- 2004
i wonder where you got this question from daRorix said:there's many proofs you can make your own
e.g.
by considering the identity (1+x)^8 (1+x)^8 = (1+x)^16
prove (8c0)^2 + (8c1)^2 +......+(8c8)^2 = 16c8