JEE Main 2002Annual, Paper 1MathematicsMediumVector Algebra184× since 2002If ∣a→∣=5,∣b→∣=4,∣c→∣=3\left| {\overrightarrow a } \right| = 5,\left| {\overrightarrow b } \right| = 4,\left| {\overrightarrow c } \right| = 3a=5,b=4,c=3 thus what will be the value of ∣a→.b→+b→.c→+c→.a→∣,\left| {\overrightarrow a .\overrightarrow b + \overrightarrow b .\overrightarrow c + \overrightarrow c .\overrightarrow a } \right|,a.b+b.c+c.a, given that a→+b→+c→=0\overrightarrow a + \overrightarrow b + \overrightarrow c = 0a+b+c=0 :AOption A. 252525BOption B. 505050COption C. −25-25−25DOption D. −50-50−50CheckSkip · show solution
