6n+3 : 4n+1 cho 5 sao ạ

1 câu trả lời

Ta có :6n+34n+1

           4n+14n+1

4.(6n+3)4n+1

     6.(4n+1)4n+1

24n+124n+1

     24n+64n+1

(24n+12)-(24n+6)4n+1

64n+1

4n+1Ư(6)={1;2;3;6;-1;-2;-3;-6}

n{0;14;12;54;-12;-34;-1;-74}

Vậy ,n{0;14;12;54;-12;-34;-1;-74}