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4. If ā= 3i - 2j and b=-5i- j, express 3 a -b in terms of i and j.

4. If ā= 3i - 2j and b=-5i- j, express 3 a -b in terms of i and j.

Algebra: Structure And Method, Book 1
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
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 42WE
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4. If ā= 3i - 2j and b=-5i - j, express 3 a -b in terms of i and j.
Transcribed Image Text:4. If ā= 3i - 2j and b=-5i - j, express 3 a -b in terms of i and j.
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