Math exam questions. all i need is little help. 10 points for BA.
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Math exam questions. all i need is little help. 10 points for BA.

[From: ] [author: ] [Date: 11-08-07] [Hit: ]
2.3 I dont know what is meant here.......
1.
(a^5 + a^4 + a^3 + a^2 + a + 1) / (a^6 - 1) = ?

2. a+b = 1. prove that
a^3 + b^3 = 1 - 3*a*b.

3. prove that it's wrong:

5*a^2 + 3*b^2 + 20*a - 12*b + 34 = 0.

-
1. Use (a^6-1)/(a-1)=(a^5 + a^4 + a^3 + a^2 + a + 1)

2.Use (a+b)^3=a^3+3a^2b+3ab^2+b^3=(a^3+b^3+3ab…

3 I don't know what is meant here.
1
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