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Sagot :
Answer:
Answer is -17
Step-by-step explanation:
Express in vectorial form:
[tex]{ \rm{u = \binom{3}{ - 2} }} \\ \\ { \rm{v = \binom{ - 5}{1} }}[/tex]
• Then the dot product:
[tex]{ \rm{u•v = (3 \times - 5) + ( - 2 \times 1)}} \\ \\ { \rm{u•v = - 15 - 2}} \\ \\ { \rm{u•v = - 17}}[/tex]
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