Solve for all the roots of x using Bairstow's Method starting at r= 0.25 and s1 = 8.75 of the polynomial f(x) = x*+8x +72x-81

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A: L-11s-a=eat.

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Q: (B) Define the triangle group. Then 1. Find all subgroups of it. 2. Is it abelian? Why?

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