Ireductibil

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Amaranth
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Ireductibil

Post by Amaranth »

Aratati ca \( \frac{n}{n+1} \) este ireductibila. :wink:
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naruto
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Post by naruto »

Daca fractia s-ar simplifica printr-un nr d, el ar fi divizor si pentru n, si pentru n+1.

d|(n+1) si d|n => d|(n+1)-n => d|1 => d=1
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Amaranth
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Post by Amaranth »

=> (n+1; n)= 1... Oricum rozolvarea este buna :)
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