Question: If a, b>0, the cubic polynomial has a root r(a,b)--a--q+d+-q-d where qb+a and d - Vb2ab. Write a Python function r(a, b) which returns-a-q+d+-q-dwhere

If a, b>0, the cubic polynomial has a root r(a,b)--a--q+d+-q-d where qb+a and d - Vb2ab. Write a Python

If a, b>0, the cubic polynomial has a root r(a,b)--a--q+d+-q-d where qb+a and d - Vb2ab. Write a Python function r(a, b) which returns-a-q+d+-q-dwhere q and d are as above.

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