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- Kalkulatu k-ren balioa \( \left(x^{4}-k x+3\right):(x+1) \) zatiketaren hondarra 2 izan dadin - Kalkulatu k-ren balioa \( \left(x^{3}+2 x^{2}+k x+14\right):(x+1) \) zatiketaren zatidura \( x^{2}+x \) ?

Ask by Potter Stephens. in Spain
Dec 03,2024

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Para el primer problema, \( k = -2 \). Para el segundo problema, \( k = 1 \).

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Lehenengo zatiketaren hondarra 2 izateko, \( k \) balioa zehazteko, \( x = -1 \) balioa jarriko dugu. Orduan, \( (-1)^{4}-k(-1)+3 = 2 \) ekuazioa lortzen dugu. Honek \( 1 + k + 3 = 2 \) ematen du, eta honetatik \( k = -2 \) lortzen dugu. Beraz, kalkulatutako \( k \) balioa -2 da. Bigarren zatiketaren zatidura \( x^{2}+x \) izateko, \( x = -1 \) balioa berriro jarriz, \( (-1)^{3}+2(-1)^{2}+k(-1)+14 = 0 \) ekuazioa eman behar dugu. Hau \( -1 + 2 - k + 14 = 0 \) bihurtzen da, eta horrek \( -k + 15 = 0 \) adierazten du, helburua \( k = 15 \) izanda. Horrela, kalkulatutako \( k \) balioa 15 da.

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