AP EAMCET · Maths · Vector Algebra
Given \(\bar{a}=2 \bar{i}+\bar{j}-2 \bar{k}\) and \(\bar{b}=\bar{i}+\bar{j}\). If \(\bar{c}\) is a vector such that \(\bar{a} \cdot \bar{c}=|\bar{c}|,|\bar{c}-\bar{a}|=2 \sqrt{2}\) and the angle between \(\bar{a} \times \bar{b}\) and \(\bar{c}\) is \(30^{\circ}\), then the value of \(|(\bar{a} \times \bar{b}) \times \bar{c}|^2\) is
- A 9
- B \(\frac{4}{9}\)
- C \(\frac{9}{4}\)
- D \(\frac{27}{4}\)
Answer & Solution
Correct Answer
(C) \(\frac{9}{4}\)
Step-by-step Solution
Detailed explanation
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