If A = {a, b, c, d, e, f, g} and B = {d, e, f, g}, then A - B = ?

A

{a, b, c}

B

{a, b, c, d}

C

{d, e, f}

D

{d, e, f, g}

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Question: If A = {a, b, c, d, e, f, g} and B = {d, e, f, g}, then A - B = ?

Solution:

A - B = {a, b, c, d, e, f, g} - {d, e, f, g}

= {a, b, c}

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Updated: 3 days ago

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যদি সেট A = {5, 15, 20, 30} এবং B = {3, 5, 15, 18, 20} হয়, তবে নিচের কোনটি A ∩ B নির্দেশ করবে?

Created: 1 month ago

A

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B

{3, 5, 15, 18, 20, 30}

C

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D

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B

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D

Ø

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