ID: Class: 12 Subject: Math Topic: Vector Algebra Type: Mcq Year: 2024

Question:

Let \(\vec{a}\) be any vector such that \(|\vec{a}|=a\) The value of \(|\vec{a}\times\hat{i}|^{2}+|\vec{a}\times\hat{j}|^{2}+|\vec{a}\times\hat{k}|^{2}\) is:
  • A. \(a^{2}\)
  • B. \(2a^{2}\)
  • C. \(3a^{2}\)
  • D. 0