MT Exercise-1-정태일

Exercise1) Find the matrix representing each of the following quadratic forms:

1. $x^2+4xy+3y^2$
2. $x^2-y^2+z^2+4xz-5yz$
3. $x^2-2y^2-3z^2+4xy+6xz-8yz$
4. $3x_1y_1-2x_1y_2+5x_2x_1+7x_2y_2-8x_2y_3+4x_3y_2-x_3y_3$

Sol)

1)

2)

3)

4)