InterviewSolution
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InterviewSolution
| 1. |
$\left.\begin{array}{ll}{a^{2}+b^{2}} & {b^{2}+c^{2}} \\ {a^{2}+c^{2}} & {a^{2}+b^{2}}\end{array}\right]+\left[ \begin{array}{cc}{2 a b} & {2 b c} \\ {-2 a c} & {-2 a b}\end{array}\right]$ |
| Answer» | |