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Computing...

Input:

(1 | 1 | 2\n-1 | 2 | 2\n3 | 2 | 3)^(-1) (matrix inverse)


Result:

1\/5(-2 | -1 | 2\n-9 | 3 | 4\n8 | -1 | -3)


Expanded form:

(-2\/5 | -1\/5 | 2\/5\n-9\/5 | 3\/5 | 4\/5\n8\/5 | -1\/5 | -3\/5)


Characteristic polynomial:

-lambda^3 - (2 lambda^2)\/5 + (6 lambda)\/5 - 1\/5

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