Question

Verify whether the following are true
[7+2]=[7]+[2]​

Answer 1

Answer:

Let A={1,2} and B={1,{1,2},{3}}

2∈{1,2} and {1,2}∈{{3},1,{1,2}}

Now,

∴A∈B

However, 2



∈{{3},1,{1,2}}

Step-by-step explanation:

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Answer 2

[7+2]=[7]+[2]

[9]=7+2

9=9

Hence, Verified