10.3.7. As usual let D8 g² = e, gf H = = = (a,b | a4 = b² = e, ba f2g). Let G {e} x D8 ≤ G. (a) What is o(x)? = (b) Find Hx. What is |G: H|? a³b) and D6 = D6D8. Let x = {f,g | ƒ³ = (f, a) Є G, and let Is H

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