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For all sets A and B, A cup (B - A) = A ...

For all sets A and B, `A cup (B - A) = A cup B`.

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For all sets A, B and C, if A sub B , then A cup C sub B cup C .

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KUMAR PRAKASHAN-SETS-SOLUTIONS OF NCERT EXEMPLAR PROBLEMS (SHORT ANSWER TYPE QUESTIONS)
  1. If X= {1, 2, 3}, if n represents any member of X, write the following ...

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  2. If X= {1, 2, 3}, if n represents any member of X, write the following ...

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  3. If X= {1, 2, 3}, if n represents any member of X, write the following ...

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  4. If X= {1, 2, 3}, if n represents any member of X, write the following ...

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  5. If Y= {1, 2, 3,………..,10} and a represents any element of Y, write the ...

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  6. If Y= {1, 2, 3,………..,10} and a represents any element of Y, write the ...

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  7. If Y= {1, 2, 3,………..,10} and a represents any element of Y, write the ...

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  8. A, B and C are subset of universal set cup. If A= {2, 4, 6, 8, 12, 20}...

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  9. Let cup be the set of all boys and girls in a school, G be the set of ...

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  10. A - (B capC) = (A - B) cap (A-C) .

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  11. For all sets A and B, (A - B) cup (A cap B)= A.

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  12. For all sets A, B and C, A - (B - C) = (A - B) - C.

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  13. For all sets A, B and C, if A sub B, then A cap C sub B cap C.

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  14. For all sets A, B and C, if A sub B, then A cup C sub B cup C.

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  15. For all sets A, B and C, if A sub C" and "B sub C, then A cup B sub C.

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  16. For all sets A and B, A cup (B - A) = A cup B.

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  17. For all sets A and B, A - (A - B) = A cap B.

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  18. For all sets A and B, A - (A cap B)= A - B.

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  19. For all sets A and B, (A cup B) - B = A - B.

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  20. Let T= {x|(x+5)/(x-7)-5 = (4x-40)/(13-x)}. Is T an empty set ? Justify...

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