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Invers Bilangan Terhadap Penjumlahan Suatu bilangan, misalkan 5, mempunyai invers terhadap penjumlahan yaitu -5. Kenapa? Karena $latex 5 + (-5) =0$ Jadi, suatu bilangan $latex x $ dikatakan mempunyai invers penjumlahan $latex x^{-1}$  bila $latex x+ x^{-1}=0$. Invers Bilangan Terhadap Perkalian Suatu ...

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