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  • Explain solution RD sharma class 12 chapter 24 Vector or cross product exercise Fill in the blanks question 10

Explain solution RD sharma class 12 chapter 24 Vector or cross product exercise Fill in the blanks question 10

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best_answer

Use scalar dot product formula

\vec{a}.(\vec{a} \times \vec{b})=(\vec{a} \times \vec{a}).\vec{b}

Given two non-collinear vectors

\vec{a} & \vec{b}

We know

\vec{a}.(\vec{a} \times \vec{b})=(\vec{a} \times \vec{a}).\vec{b}

=0

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