Question

Std...9
chapter...1 sets​

Answer 1

Answer:

All three are equal sets.

Here's the reason,

First, let's solve equation of set A

3x-1=2

3x=2+1

3x=3

x=3/3

x= 1.

The answer of set A is 1.

Let's solve set B,

The only number which is neither prime nor composite is 1.

Thus the answer of set B is 1.

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Let's solve the set C

1 is the only natural number less than 2

Thus the answer of set C is 1.

Hence, all the answers of sets is 1, they are equal sets...