If {a}={i}+{j}+{k}, {a}· {b}=1 and {a}× ...

CBSE Class 12 Math 2022 (Term II) Delhi Set 1 Solved Paper

Question : 4 of 14

Marks: +1, -0

\vec{a}=\hat{i}+\hat{j}+\hat{k}, \vec{a}\cdot \vec{b}=1

and

\vec{a}\times \vec{b}=\hat{j}-\hat{k}

, then find

\left|\vec{b}\right|

Solution: 👈: Video Solution

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