Question

Write the number of elements in set A. A=A {3,5,9}

Answer 1

A=(multiple of 3)
A=(old number)

Answer 2

Answer:

Step-by-step explanation

no. of elements = 2 raise to n             = 8

therefore the elements r

{ {3}  {5}  {9}  {3,5} {5,9} {3,9} {3,5,9} Ф }

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