Question

Am nevoie de ajutor va rog!​

Answer 1

√[1,(a)+2,(b)]=rațional

√1 a/9+2 b/9=1/3√(a+2b)

a+2b=x²

1...9+2(1...9)

1+2×4=9

2+2×1=4

2+2×7=16

3+2×3=9

4+2×6=16

5+2×2=9

6+2×5=10

7+2×1=9

7+2×9=25

8+2×4=16

9+2×8=25

R:(1,4);(2,1);(2,7);(3,3);(4,6);(5,2);(6,5);(7,1)

(7,9);(8,4);(9,8).