Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematical Science Linear Algebra Bilinear Forms,Quadratic Forms
Which of the following real quadratic forms on ℝ2 is not positive definite?
1
Q(X, Y) = XY
2
Q(X, Y) = X2 – XY + Y2
3
Q(X, Y) = X2 + 2XY + Y2
4
Both 1 & 3