ID: Class: 12 Subject: Math Topic: Three Dimensional Geometry Type: Mcq Year: 2024

Question:

If the direction cosines of a line are \(\sqrt{3}k, \sqrt{3}k\), \(\sqrt{3}k,\) then the value of k is:
  • A. \(\pm1\)
  • B. \(\pm\sqrt{3}\)
  • C. \(\pm3\)
  • D. \(\pm\frac{1}{3}\)