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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\left(3k-2\right)\left(5k^{2}+1\right)
Tā te Rational Root Theorem, ko ngā pūtake whakahau katoa o tētahi pūrau kei te āhua o \frac{p}{q}, ina wehea e p te kīanga pūmau -2, ā, ka wehea e q te whakarea arahanga 15. Ko tetahi pūtake pērā ko \frac{2}{3}. Tauwehea te pūrau mā te whakawehe mā te 3k-2. Kāore te pūrau 5k^{2}+1 i whakatauwehea i te mea kāhore ōna pūtake whakahau.