Mathematics · Vector Algebra

Let b̄ = ī - j̄ + 2k̄ and c̄ = ī + 2j̄ - k̄ be two vectors, and ā be a unit vector such that cos(ā, b̄ × c̄) = √ 2 3 . Then |ā × (b̄ × c̄)| =

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Chapter Practice

Want more practice questions on Vector Algebra?

Solve complete topic-wise tests with detailed solutions on GkGet.

Recommended practice questions in Mathematics · Vector Algebra

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?

Let b&#772; = i&#772; - j&#772; + 2k&#772; and c&#772; = i&#772; + 2j&#772; - k&#772; be two vectors, and a&#772; be a unit vector such that cos(a&#772;, b&#772; &times; c&#772;) = &radic; 2 3 . Then |a&#772; &times; (b&#772; &times; c&#772;)| =