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cia196785920
26.05.2020 •
Mathematics
Given that u=(-3,4) and vector v has an initial point of (7,0) and a terminal point of (-5,2), find 2v-3u and express your answer as a linear combination of i and j
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Ответ:
The linear combination
is equal to ![\vec r = -42\cdot i + 14\cdot j](/tpl/images/0666/1468/2eb04.png)
The resultant vector is a linear combination of the two vectors described in statement, which is calculated as follows:
The answer as a linear combination of
and
is
.
We kindly invite to check this question on linear combinations: link
Ответ: