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Input:
disc(1)
Write:
`disc(1)`
Compute:
$$disc(1)$$
Output:
$$disc(1)== -1+abs(-1+{x}^{2}+{y}^{2})+{x}^{2}+{y}^{2}$$
Result: $$-1+abs(-1+{x}^{2}+{y}^{2})+{x}^{2}+{y}^{2}$$
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