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  • Provide Solution for RD Sharma Class 12 Chapter 23 Scalar or Dot Products Exercise Very Short Answer Question 11

Provide Solution for RD Sharma Class 12 Chapter 23 Scalar or Dot Products Exercise Very Short Answer Question 11

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ANSWER: \vec{b}  is any non zero  vector

GIVEN:  \vec{a} \cdot \vec{a}=0 \text { \& } \vec{a} \cdot \vec{b}=0

HINTS: You must know about the concept of non zero vector

SOLUTION:Let, 

\begin{aligned} &\vec{a} \cdot \vec{a}=0 \\ &\Rightarrow \vec{(a)}^{2}=0 \\ &\Rightarrow \vec{a}=0 \\ &\vec{a} \cdot \vec{b}=0 \end{aligned}

\vec{b} is a non zero vector

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