Asked by Anonymous
given vectors u=-9i+8j and v=7i+5j find 2u-6v in terms of unit vectors i and j
Answers
Answered by
Anonymous
2 u = -18 i + 16 j
6 v = +42 i - 30 j
------------------------ subtract
- 60 i + 14 j
6 v = +42 i - 30 j
------------------------ subtract
- 60 i + 14 j
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