Bestimme in Q [ X ] / ( X 3 − 7 ) {\displaystyle {}\mathbb {Q} [X]/(X^{3}-7)} das Inverse von 3 x + 4 {\displaystyle {}3x+4}
![{\displaystyle {}\mathbb {Q} [X]/(X^{3}-7)}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f4788a76028f7517ab2d938e3514f7ae17ff9193)
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