Show that
| -2a a+b c+a |
| a+b -2b b+c| =4(a+b)(b+c)(c+a)
| c+a C+b -2c|
{* It is det of the matrix }
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Answer:
det
Step-by-step explanation:
det+0+0+0+0+0+0+0+0+0+0+0+0+0
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