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Write the Angle Between the Vectors → a × → B and → B × → a . - Mathematics

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प्रश्न

Write the angle between the vectors  \[\vec{a} \times \vec{b}\]  and  \[\vec{b} \times \vec{a}\] .

 

 

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उत्तर

\[\vec{b} \times \vec{a}\] \[- \vec{a} \times \vec{b}\]
So,  
\[\vec{a} \times \vec{b}\] and  \[\vec{b} \times \vec{a}\]  are vectors of same magnitude but opposite in directions. 
Thus, the angle between the vectors  \[\vec{a} \times \vec{b}\]  and  \[\vec{b} \times \vec{a}\]  is 180º.
 
 

 

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अध्याय 25: Vector or Cross Product - very short answers [पृष्ठ ३४]

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आरडी शर्मा Mathematics [English] Class 12
अध्याय 25 Vector or Cross Product
very short answers | Q 31 | पृष्ठ ३४

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