Q.The equation of the plane containing the lines $\vec{r} = \hat{i} + \hat{j} + \lambda (\hat{i} + 2\hat{j} + \hat{k})$ and $\vec{r} = \hat{i} + \hat{j} + \mu (2\hat{i} + \hat{j} + 2\hat{k})$ is

x - y = 0

x + y = 0

x + z = 0

y + z = 0

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.The equation of the plane containing the lines r⃗=i^+j^+λ(i^+2j^+k^)\vec{r} = \hat{i} + \hat{j} + \lambda (\hat{i} + 2\hat{j} + \hat{k})r=i^+j^​+λ(i^+2j^​+k^) and r⃗=i^+j^+μ(2i^+j^+2k^)\vec{r} = \hat{i} + \hat{j} + \mu (2\hat{i} + \hat{j} + 2\hat{k})r=i^+j^​+μ(2i^+j^​+2k^) is