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

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

Answers (1)

\theta=0

Hint: If three vectors are collinear they will be parallel to each other

Given: Three points with position vectors

\vec{a},\vec{b} & \vec{c}

Then we know

\left |\vec{a} \times \vec{b} \right |=\left |\vec{a} \right |\left | \vec{b} \right | \sin \theta

\vec{a} & \vec{c} are collinear then they must be parallel

So,

\sin \theta =0\\ \therefore \theta =0\\

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