defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Determinants Application of Determinants
Determine the area of the triangle with vertices X (1, 1, 2), Y (2, 3, 5) and Z (1, 5, 5) ?
1
\(\frac{\sqrt{18}}{2}\)
2
\(\sqrt{18}\)
3
\(\frac{\sqrt{61}}{2}\)
4
\(\sqrt{61}\)