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Question

U={1,2,3,4,5}, A={1,2,4} B={2,4,5} হলে

(A^{c} \cup B^{c})

হবে__

{1,3,4}

{1,2,3}

{1,3,5}

{3,5}

ANSWER : 3

Descrption

<pre>
<math xmlns = "http://www.w3.org/1998/Math/MathML"><mspace linebreak = "newline"/><mspace linebreak = "newline"/><msup><mi>A</mi><mi>c</mi></msup><mo> = </mo><mo>&#x222A;</mo><mo> - </mo><mi>A</mi><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>1</mn><mo>,</mo><mn>2</mn><mo>,</mo><mn>3</mn><mo>,</mo><mn>4</mn><mo>,</mo><mn>5</mn><mo>}</mo><mo> - </mo><mo>{</mo><mn>2</mn><mo>,</mo><mn>4</mn><mo>,</mo><mn>5</mn><mo>}</mo><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>3</mn><mo>,</mo><mn>5</mn><mo>}</mo><mspace linebreak = "newline"/><msup><mi>B</mi><mi>c</mi></msup><mo> = </mo><mi>U</mi><mo> - </mo><mi>B</mi><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>1</mn><mo>,</mo><mn>2</mn><mo>,</mo><mn>3</mn><mo>,</mo><mn>4</mn><mo>,</mo><mn>5</mn><mo>}</mo><mo> - </mo><mo>{</mo><mn>2</mn><mo>,</mo><mn>4</mn><mo>,</mo><mn>5</mn><mo>}</mo><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>1</mn><mo>,</mo><mn>3</mn><mo>}</mo><mo>&#xA0;</mo><mspace linebreak = "newline"/><mo>.</mo><mo>'</mo><mo>.</mo><mo>&#xA0;</mo><msup><mi>A</mi><mi>c</mi></msup><mo>&#x222A;</mo><msup><mi>B</mi><mi>c</mi></msup><mo>&#xA0;</mo><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>3</mn><mo>,</mo><mn>5</mn><mo>}</mo><mi>U</mi><mo>{</mo><mn>1</mn><mo>,</mo><mn>3</mn><mo>}</mo><mspace linebreak = "newline"/><mo> = </mo><mo>{</mo><mn>1</mn><mo>,</mo><mn>2</mn><mo>,</mo><mn>3</mn><mo>}</mo></math>
</pre>

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