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Question

For three sets A,B & C, if AB,AC then A(BC)=

A
A
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B
BC
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C
BC
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Solution

The correct option is A A
Given three sets A,B & C and
ABAB=A;AB=B
Similarly, ACAC=A;AC=C
Now, by distributive property:
A(BC)=(AB)(AC)
A(BC)=AA=A

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