MHT CET · Maths · Vector Algebra
The magnitude of a vector which is orthogonal to the vector \(\hat{i}+\hat{j}+\hat{k}\) and is coplanar with the vectors \(\hat{i}+\hat{j}+2 \hat{k}\) and \(\hat{i}+2 \hat{j}+\hat{k}\) is
- A \(\sqrt{2}\)
- B \(4 \sqrt{2}\)
- C \(4\)
- D \(2 \sqrt{3}\)
Answer & Solution
Correct Answer
(B) \(4 \sqrt{2}\)
Step-by-step Solution
Detailed explanation
\( \vec{a} = \hat{i}+\hat{j}+\hat{k} \) \( \vec{b} = \hat{i}+\hat{j}+2\hat{k} \)
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