Prove the commutative property — task. Mathematics State Board, Class 9.

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If

$A = \{$ 5, 11, 21, 29, 35

$\}$ and

$B = \{$ 11, 16, 24, 35

$\}$ , then prove that commutative property for union of sets.

1. Commutative property for union of sets

$=$

2.

$B \cup A = \{$

$\}$

[Note: Insert your answer in ascending order, also insert a comma if necessary]

$1$

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