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Proved

Explanation:

Given

Required

Find out why they represent the same

To do this, we simplify either   or

In this question, I will simplify  

Apply de morgan's law

Apply distribution property

To simplify, we apply the following rules:

--- Inverse law

--- Inverse law

So, the expression becomes

Rewrite as:

From the given parameters:

This implies that:

  when simplified is X or

1. b

2. c

3. b

4. a

5. b