engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Vector Algebra Magnitude and Directions of a Vector
What are the values of x for which the angle between the vectors 2x2\(\hat{\text{i}}\) + 3x\(\hat{\text{j}}\) + \(\hat{\text{k}}\) and \(\hat{\text{i}}\) −2\(\hat{\text{j}}\) + x2\(\hat{\text{k}}\) is obtuse ?
1
0 < x < 2
2
x < 0
3
x > 2
4
0 ≤ x ≤ 2