Question

Fie A={1,2,3,5} si B={7,11}.Scrieti elementele multimii C={x/x=a pe b , unde a e A si b e B (inloc de e apartine) vreau si teorie sau explicatie ex.

Answer 1

C={1\7,2\7,3\7,5\7,1\11,2\11,3\11,5\11}

Answer 2

$A=${ $1,2,3,5$ }
$B=${ $7,11$ }
$C={${ $\frac{x}{x}=\frac{A}{B}$ }
$C=${ ${\frac{1}{7}, \frac{2}{7},\frac{3}{7}, \frac{5}{7},\frac{1}{11},\frac{2}{11},\frac{3}{11}, \frac{5}{11}$ }