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kekeman:
More math: https://snipboard.io/6LbPET.jpg
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surjithayer:
vector v=3i+7j vector u=-8i-9j u+v=3i+7j+(-8i-9j)=3i+7j-8i-9j=-5i-2j -3(u+v)=-3(-5i-2j)=15i+6j magnitude of 15i+6j \[=\sqrt{15^2+6^2}=\sqrt{225+36}=\sqrt{261}\]
kekeman:
THANK YOU !
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