vector (1 Viewer)

juantheron · Apr 8, 2012

If $\vec{a}\;\;,\vec{b}\;\;,\vec{c}$ are Three Unit Vector satisfying $\mid \vec{a}-\vec{b}\mid^2+\mid \vec{b}-\vec{c}\mid^2+\mid \vec{c}-\vec{a}\mid^2 = 9$

then $\mid 2\vec{a}+5\vec{b}+5\vec{c}\mid =$

jyu · Apr 9, 2012

vector (1 Viewer)

juantheron

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jyu

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