‹ Back to the paper
If and is a symmetric matrix, show that .
If $A = \begin{pmatrix} 5 & a \\ b & 0 \end{pmatrix}$ and $A$ is a symmetric matrix, show that $a = b$.
Given: $A = \begin{pmatrix} 5 & a \\ b & 0 \end{pmatrix}$ and $A$ is a symmetric matrix
To show: $a = b$
Answer
No answer yet.
From ISC 2018 Mathematics Paper 1, question 1(ii).