Vector Algebra
Oswaal
CBSE
Grade 12
Question:
Express vector $\vec{r} = 3\hat{i} - 2\hat{j} + 5\hat{k}$ as linear combination of $\vec{a} = \hat{i} + \hat{j}, \vec{b} = \hat{j} + \hat{k}, \vec{c} = \hat{k} + \hat{i}$.
Step-by-Step Solution
Key Concept: r = 0 a + (-2) b + 5 c (or solve linear system).
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Correct Answer:
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