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Pembuktian Teorema 4.2.6 & Teorema Apit 4.2.7 || Pengantar Analisis Real

Take a look at this invention called the Perpetual Motion Marble Machine, and watch how it works. Have you seen it before, do you think there’s something wrong with what you’re seeing? Or do you think it's working like it should. Now take a look under the base of this crafty little invention, does this make some of you feel better? Or were you tricked into thinking that this invention really works, and the little steel ball would continue on its loop forever. There’s a reason why there’s a batte