Let u =< A+ 2B, A- B, A+ B>, v =< 3 – 2A, B+3, A- B > where A and B are some constants. Given that ú + 90 =< -84, 66, 38 > find the value of the product A.B.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter5: Factoring Polynomials
Section5.4: Multiplying Binomials Mentally
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Let
u =< A+ 2B, A- B, A+ B>,
v =< 3- 2A, B+3, A- B>
where A and B are some constants. Given that
u + 90 =< -84,66, 38 >
find the value of the product A.B.
Transcribed Image Text:Let u =< A+ 2B, A- B, A+ B>, v =< 3- 2A, B+3, A- B> where A and B are some constants. Given that u + 90 =< -84,66, 38 > find the value of the product A.B.
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