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Find the values of x and y from each of ...

Find the values of x and y from each of the following
(i) `(x+y,x-2y)-(7,1)`
(ii) `(2x,x+3y)=(4,5)`

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The correct Answer is:
(i) x=5,y=2 (ii) x=2,y=1
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NAGEEN PRAKASHAN-RELATIONS AND FUNCTIONS-Exercise 2A
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  2. Find the values of x and y from each of the following (i) (x+y,x-2y)...

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  4. If A ={1,2}, then find AxxAxxA.

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  5. If A={x,y,z} and B={2,3}, then find AxxB.

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  6. If A ={1,2,3,4} and B={x:x in N and x, is a prime number less than 5},...

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  7. If AxxB={(a,3),(a,5),(b,3),(b,5),(c,3),(c,5)}, then find BxxA.

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  9. The Cartesian product A xxA has 9 elements among which are found (1...

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  11. If A={1,2,3}, B={3,4} and C={4,5,6}, then find each of the following :...

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  12. If A={1,2,3,4,5}, B={1,2,3,6,7} and C{8}, then find (A-B)xx C.

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  13. If A={1,2} and B={x,y}, then find AxB. Also find the number of its sub...

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  14. If A={-1,1}, then find AxxAxxA.

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  15. If A={1,2,3} and B={1,2}, then represent AxxB graphically.

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