03

1

1.1

==== a) \(T_{r}\) (ou \(\text{card}(R)\))

==== b) da1
(Not sure)

==== c) \(\frac{\text{ card}(R) \times \text{ card}(S)}{\text{ card}(R)} = \text{ card}(S)\)

==== d) \(\text{card}(R) \times \text{ card}(S)\)

Page incomplète ou erronée? Contribuez sur le repo