A = {1, 2, 3} এবং B = {3, a, b} হলে A \( \cup \) B = ?

A = {1, 2, 3} এবং B = {3, a, b} হলে A \( \cup \) B = ?

A {1, 2, 3, a, b}

B {1, 2}

C {1, 3, b}

D {2, 3, a, b}

Solution

Correct Answer: Option A