please solve using cartesion product method only

and dont give me such answer that i have posted

Marks 4, 4, 2 Consider the following schema: Flights (flight Num, sourceCity, destinationCity) Departures flight Num date planeType) ) Bassengers (passenger sengerName, passengerAddress) Bookings (passengerID funt Num, date, seat number) a) Write down a relational algebraic expression that displays the Passenger Name of all passengers who have a seat booked on at least one plane of every type (Hint: you can use Departures table for finding planes on which the passengers travelled) Tt passenger same, plane_type(PASSENGERS BOOKINGS DEPARTURES) / plane Jype(DEPARTURES) Marks 4, 4, 2 Consider the following schema: Flights (flight Num, sourceCity, destinationCity) Departures flight Num date planeType) ) Bassengers (passenger sengerName, passengerAddress) Bookings (passengerID funt Num, date, seat number) a) Write down a relational algebraic expression that displays the Passenger Name of all passengers who have a seat booked on at least one plane of every type (Hint: you can use Departures table for finding planes on which the passengers travelled) Tt passenger same, plane_type(PASSENGERS BOOKINGS DEPARTURES) / plane Jype(DEPARTURES)