If \\(\\overrightarrow{\\mathrm{a}}, \\overrightarrow{\\mathrm{b}}, \\overrightarrow{\\mathrm{c}....
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0If \\(\\overrightarrow{\\mathrm{a}}, \\overrightarrow{\\mathrm{b}}, \\overrightarrow{\\mathrm{c}}\\) are three vectors such that \\(|\\vec{a}|=5,|\\vec{b}|=12\\) and \\(|\\vec{c}|=13\\), and \\(\\vec{a}+\\vec{b}+\\vec{c}=\\vec{o}\\) find the value of \\(\\vec{a} \\cdot \\vec{b}+\\vec{b} \\cdot \\vec{c}+\\vec{c} \\cdot \\vec{a}\\) 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live