Răspuns :

Mhermel2id

Răspuns:

4k²+5k+1= 4k²+8k+4-3k-3=4(k²+2k+1)-3(k+1)=4(k+1)²-3(k+1)=(k+1)[4(k+1)-3]=

(k+1)(4k+4-3)=(k+1)(4k+1)⇒P(k+1)= ((k+1)(4k+1)/(4k+1)4k+5)=(k+1)/(4k+5)

Explicație pas cu pas:

Lucaselaid

Am atasat o imagine.

Vezi imaginea Lucasela

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