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CBSE Class 12 Math 2022 (Term II) Outside Delhi Set 3 Solved Paper

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SECTION - B
Question Nos. 7 to 10 carry 3 marks each.
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Question : 2 of 4
Marks: +1, -0
Find the shortest distance between the following lines:
r⃗=3i^+5j^+7k^+λ(i^−2j^+k^)   and   r⃗=(−i^−j^−k^)+μ(7i^−6j^+k^)\vec{r}=3\hat{i}+5\hat{j}+7\hat{k}+\lambda(\hat{i}-2\hat{j}+\hat{k})\;\text{ and }\;\vec{r}=(-\hat{i}-\hat{j}-\hat{k})+\mu(7\hat{i}-6\hat{j}+\hat{k})
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