If a^4+a^2 b^2 + b^4 = 8 and a^2 + ab + b^2 = 4, then the value of ab is

(A) -1 (B) 0 (C) 2 (D) 1

Results 1 to 4 of 4

- June 16th 2013, 04:12 AM #1

- Joined
- Jun 2013
- From
- india
- Posts
- 16

- June 16th 2013, 05:18 AM #2

- Joined
- Apr 2013
- From
- Mahinog
- Posts
- 93
- Thanks
- 5

## Re: Algberic question

- June 16th 2013, 05:38 AM #3

- June 16th 2013, 08:39 AM #4

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 11,977
- Thanks
- 812