Contents of this Calculus 3 episode:

Definiteness of quadratic forms, Leading principal minor, Determinant, Positive definite, Negative definite, Indefinite, Positive semi-definite, negative semi-definite, Eigenvector, Eigenvalue, Characteristic equation.

Enter the world of simple math.
  • Ingenious to learn any math.

    Adam, 19
  • Can't find a private tutor? Don't even look! Head for this site.

    Barbara, 19
  • It was recommended by senior students with the title 'mandatory'.

    Richard, 19
  • Much better than any of my university lectures.

    Daniel, 20