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If the ordered pairs (x ,-1) and (5, y) ...

If the ordered pairs `(x ,-1)` and `(5, y)` belong to the set `{(a , b): b=2a-3}` , find the values of `x\ a n d\ ydot`

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Given,`(a,b):b=2a−3`
`(x,−1):−1=2x−3`
So,`2x=2`
`x=1`
`(5,y):y=2(5)−3`
`y=10−3=7`
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RD SHARMA-RELATIONS-Solved Examples And Exercises
  1. Let A and B be two sets such that n(A)=5\ a n d\ n(B)=2,\ if\ a ,\ b ,...

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  2. If (a/3-1,\ b-1/3)=(5/3,2/3) , find the values of a\ a n d\ bdot

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  3. If the ordered pairs (x ,-1) and (5, y) belong to the set {(a , b): b=...

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  4. If (x+1,\ 1)=(3,\ y-2), find the value of x and y.

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  5. If a in {2,4,6,9}a n d\ b in {4,6, 18 , 27} , then from the set of al ...

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  6. if A={1,2} and B={1,3}, find AxxB\ a n d\ BxxA.

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  7. If A={1,2,3}a n d\ B={3,4}dot Find AxxB

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  8. If A={1,2,3}a n d\ B={2,4}, find AxxB

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  9. Let A and B be two sets such that n(A)=3\ a n d\ n(B)=2. if\ (x ,1)...

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  10. Let A={1,2,3,4} and\ R={(a , b): a in A , b in A ,\ a divides b} . W...

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  11. State whether each of the following statements are true or false. If t...

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  12. If A={1,2}, form the set AxxAxxAdot

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  13. If A={1,2,4}a n d\ B={1,2,3} , represent following sets - AxxB

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  14. If A={1,2,4}a n d\ B={1,2,3} , represent following sets - AxxB

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  15. If A={1,2,4}a n d\ B={1,2,3} , represent following sets - AxxA

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  16. If A={1,2,4}a n d\ B={1,2,3} , represent following sets - BxxB

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  17. If A={2,3},\ B={4,5},\ C={5,6},\ \ find Axx(BuuC)

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  18. Let A={1,2},\ B={1,2,3,4},\ C={5,6}a n d\ D={5,6,7,8} . Verity that: A...

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  19. Let A={1,2},\ B={1,2,3,4},\ C={5,6}a n d\ D={5,6,7,8} . Verity that: A...

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  20. If A={1,2,3},\ B={3,4},\ C={4,5,6},\ fin d\ : Axx(BnnC)

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