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Three Dimensional Geometry

WB JEE 2026

MCQ+1 / -0.252026

$\vec{r} \times \vec{a}=\vec{b} \times \vec{a}$ এবং $\vec{r} \times \vec{b}=\vec{a} \times \vec{b}$-এর ছেদবিন্দু,যেখানে $\vec{a}=\hat{i}+\hat{j}$ এবং $\vec{b}=2 \hat{i}-\hat{k}$ হয়


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