JEE MATHEMATICS MCQ: SET THEORY

1 Easy

1 of 1

Understanding +4 | -1

A=\{1,2,5\}

and

B=\{3,4,5,9\}

, then number of elements in

A \Delta B

is equal to

View answer and explanation

Correct option: A

Option A (5) is correct because A Δ B contains elements in A or B but not in both, resulting in {1, 2, 3, 4, 9}, which has 5 elements.

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