Question

ab+ba=36 a,b?????????????????​

Answer 1

Răspuns:

ab+ba=36

b(a+a)=36

b×2×a=36

ba=36:2

ba=18

18=2×9; 3×6; 1×18.

S={(2,9,3,6,1,18) (9,2,6,3,18,1)}