(Solved): Express the following quadratic form in the matrix notation x Ax, where A is a symmetric matrix. 7 ...

Express the following quadratic form in the matrix notation x Ax, where A is a symmetric matrix. 7x² + 3x² 7 -3 072²+36-14 133N 7x² + 3x² = [x?x? © 7x² + 3x² = [x²?x?] 7 3 078² +38² - 141-47179 7x = x2 X? 3 7x² + 3x² = [x²?x?] -7 73 0 7x² + 3x² = 14 32 13 ] x2