Question

please tell fast........​

Answer 1

Answer:

Null/Empty

It is used to show that the answer is Null/Empty

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Answer 2

Answer:

This symbol is ' Φ ' it is called as " phi " mostly " fly ". It is an ′ Irrational Number ′ like pi & e, that it's term go on for ever after the decimial point without repeating.

And it is also used in Sets as null set.

Step-by-step explanation:

℘ℓḙᾰṧḙ ՊᾰԻк Պḙ ᾰṧ ♭Իᾰ!ℵℓ!ḙṧт ✌✌✌