No links please â ‹Qii) If the vectors a→+b→, b→ +c→ ,c→ +a→ are coplanar, then prove that - Maths - Vector Algebra

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â€‹Qii) If the vectors a → + b → ,
  b →   + c →   , c →   + a
→ are coplanar, then prove that the vectors a →   ,
b →   ,   c → are coplanar

Sandeep Saurav · Accepted Answer

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No links please ​Qii). If the vectors a → + b → , b → + c → , c → + a → are coplanar, then prove that the vectors a → , b → , c → are coplanar.

No links please

Qii). If the vectors $\vec{a} + \vec{b}, \vec{b} + \vec{c}, \vec{c} + \vec{a}$ are coplanar, then prove that the vectors $\vec{a}, \vec{b}, \vec{c}$ are coplanar.