engineering recuitment ISRO Scientific Assistant Physics 2020 Mathematics Vector Algebra Scalar and Vector Product
If the vectors \(\rm \hat{i}-x\hat{j}-y\hat{k} \ and \ \hat{i}+x\hat{j}+y\hat{k}\) are orthogonal to each other, then what is the locus of the point (x, y)?
1
a parabola
2
an ellipse
3
a circle
4
a straight line