Consider the following equations: 1. A - B=A-(A B) 2. A=( A B ) (… - Vidyadip

MCQ

Consider the following equations:
$1.\ \text{A - B}=\text{A}-(\text{A }\cap \text{ B})$
$2.\ \text{A}=({\text{A }\cap \text{ B}})\cup(\text{A }-\text{ B})$
$3.\ \text{A}-(\text{B }\cup\text{ C})=(\text{A - B})\cup(\text{A - C})$
Which of these is/are correct?

A
$1$ and $3$
B
$2$ only
C
$2$ and $3$
✓
$1$ and $2$

✓

Answer

Correct option: D.

$1$ and $2$

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