defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Vector Algebra Properties of Vectors
What is the locus of the point (x, y) for which the vectors \(\rm (\hat i-x\hat j-2\hat k)\) and \(\rm (2\hat i+\hat j+y\hat k)\) are orthogonal?
1
A circle
2
An ellipse
3
A parabola
4
A straight line