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Let A={(x,y):y=e^(x) , x in R } B={(x,y...

Let `A={(x,y):y=e^(x) , x in R } B={(x,y),Y=e^(-x) ,x in R}`then

A

`A cap B=phi`

B

`A cap B={(0,1)}`

C

`A cup B=R^(2)`

D

`A cap B={(0,0)}`

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-SETS-Exercise
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  2. if set A and B are defined as A={(x,y):y=e^(x),x in R} B={(x,y):y=...

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  3. Let A={(x,y):y=e^(x) , x in R } B={(x,y),Y=e^(-x) ,x in R}then

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  4. Suppose A(1) ,A(2) ,. . . .,A(30) are thirty sets each with fvie ...

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  5. IF sets A and B are defined as A={(x,y):y-(1)/(x),0ne x in R} B= {(x...

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  6. if a N={a x:x iin N} and b N cap c N , where b,c in Nare relative...

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

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

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

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  10. Consider the set A of all matrices of order 3 xx 3 with entries 0 or 1...

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  11. if A and B are two sets , then A cap (A cup B) equals

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  12. if n(A)=n, then P(A) has

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

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  14. Let A and B have 3 and 6 elements respectively , what can be the...

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  15. Two finite sets have m and n elements . The total number of subs...

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

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

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  18. Let A ={1,2,3},B={3,4},C={4,5,6}.thenAcup (B cap C)is

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  19. Let A and B be two non-empty subsets of a set X such that A is ...

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

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