Question

what A is equal to B what can you say aboutA×B and B×A?​

Answer 1

Answer:

square of b

Step-by-step explanation:

when aeqauls b then we can substitute a as b then the equation becomes b×b

Answer 2

Answer:

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Subset

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Definition of Subset:

If A and B are two sets, and every element of set A is also an element of set B, then A is called a subset of B and we write it as A ⊆ B or B ⊇ A

The symbol ⊂ stands for ‘is a subset of’ or ‘is contained in’

• Every set is a subset of itself, i.e., A ⊂ A, B ⊂ B.

• Empty set is a subset of every set.

• Symbol ‘⊆’ is used to denote ‘is a subset of’ or ‘is contained in’.

• A ⊆ B means A is a subset of B or A is contained in B.

• B ⊆ A means B contains A.