5. Let a quadratic form q = 6xy - 5y2 – 2x2 Express this quadratic form as a matrix product involving a symmetric coeffi

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5 Let A Quadratic Form Q 6xy 5y2 2x2 Express This Quadratic Form As A Matrix Product Involving A Symmetric Coeffi 1 (28.39 KiB) Viewed 27 times

5. Let a quadratic form q = 6xy - 5y2 – 2x2 Express this quadratic form as a matrix product involving a symmetric coefficient matrix and ascertain by the determinantal test whether this quadratic form is positive or negative definite. (5 marks) 14 1 21 6. Let matrix A = 5 2 1. Check if the matrix is nonsingular 11 0 1 by defining its rank using an echelon matrix through elementary row/column operations. (5 marks)