If a =( i + j + k ), a b =1 and a b = j - k , then b is
Physics · JEE Advanced · NTA Exams — Kinematics
If \(\vec{a}=(\hat{i}+\hat{j}+\hat{k}), \vec{a} \cdot \vec{b}=1 \text { and } \vec{a} \times \vec{b}=\hat{j}-\hat{k} \text {, then } \vec{b} \text { is }\)
Answer
(C)
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