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If set A and B are defined as
`A = {(x,y)|y = 1/x, 0 ne x in R}, B = {(x,y)|y = -x , x in R,}`. Then (a) A ∩ B = A (b)A ∩ B = B (c)A ∩ B = ϕ (d)A ∪ B = A

A

`A cap B =A `

B

`A cap B =B `

C

`A cap B =phi `

D

none of these

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-SETS-Exercise
  1. If sets A and B are defined as A = {(x, y) : y = e^(x), x in R} and ...

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  2. Suppose, A(1),A(2),"……..",A(30) are thirty sets each having 5 element...

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  3. If set A and B are defined as A = {(x,y)|y = 1/x, 0 ne x in R},...

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  4. if a N={a x:x in N} and b N cap c N = dN , where b,c in N are rel...

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  5. If aN = {ax|x in N} and bN nn cN = dN, where b,c epsilon N, then

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  6. In a town of 10,000 families it was found that 40% family buy newspape...

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  7. In a town of 10000 families, it was found that 40% families buy ne...

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  8. Consider the set a of all determinants of order 3 with entries 0 or 1 ...

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  9. If A and B are stes, then A cap (A cup B)=

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  10. if A is a finite set having n elements , then P(A) has

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  11. if A ={phi ,{phi}}, then the power set of A is

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  12. Sets A and B have 3 and 6 elaments respectively. What can be theminimu...

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  13. two finite sets have m and n elements . The total number of subs...

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  14. if X and Y are two sets , then X cap (Y cup X)'equals

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  15. Let A = {x : x is a multiple of 3} and B = {x : x is a multiple of 5),...

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  16. Given the sets A={1,2,3}, B={3,4}, C={4,5,6}, then find Auu(BnnC).

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  17. Let A and B be two non- empty subsets of a set X such that A is not a ...

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  18. Let U be the universal set for sets A and B such that n(A) =200 ...

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  19. Out of 800 boys in a school, 224 played cricket, 240 played hockey and...

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  20. From 50 students taking examinations in mathematics, physics and chemi...

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