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  • Need solution for RD Sharma maths class 12 chapter Vector or Cross Product exercise 24.1 question 15

Need solution for RD Sharma maths class 12 chapter Vector or Cross Product exercise 24.1 question 15

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Answer          : \vec{a}+\vec{c}=m \vec{b}

Hint                : Here m is the constant team

Given             :\vec{a} \times \vec{b}=\vec{b} \times \vec{c}

                        \vec{a} \times \vec{b}-\vec{b} \times \vec{c}=0

Solution        :

\begin{aligned} &\vec{b} \times \vec{c}=-\vec{c} \times \vec{b} \text { (substitute) } \\\\ &\vec{a} \times \vec{b}+\vec{c} \times \vec{b}=0 \\\\ &(\vec{a}+\vec{c}) \times \vec{b}=0 \\\\ &\vec{a}+\vec{c}=m \vec{b} \end{aligned}

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