Two bodies of mass $1\,kg$ and $3\,kg$ have position vectors $\hat{i}+2 \hat{j}+\hat{k}$ and $-3 \hat{i}-2 \hat{j}+\hat{k}$ respectively.The magnitude of position vector of centre of mass of this system will be similar to the magnitude of vector.
- [JEE MAIN 2022]
- [AIPMT 2009]
- A$\hat{i}-2 \hat{j}+\hat{k}$
- B$-3 \hat{i}-2 \hat{j}+\hat{k}$
- C$-2 \hat{i}+2 \hat{k}$
- D$-2 \hat{i}-\hat{j}+2 \hat{k}$
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