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If G={7,8} and H={5,4,2}, find G xx H an...

If G={7,8} and H={5,4,2}, find `G xx H` and `H xx G`.

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MODERN PUBLICATION-RELATIONS AND FUNCTIONS-Objective type questions
  1. If R is a relation from a finite set A having m elements to a finite s...

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  2. (i) If A= [-1,1], find A xx A (ii) If P = {1,2}, find P xx P

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  3. If G={7,8} and H={5,4,2}, find G xx H and H xx G.

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  4. If P ={ a, b, c} and Q = {r} , find P xx Q .

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  5. If n(A)=3, n(B)=4, then write n(AxxAxxB) .

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  6. Let A and B be two sets such that n (A) = 3 and n(B) =2. If (x,1) (y,2...

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  7. Let A = {1, 2, 3, 4, 6}. Let R be the relation on A defined by {(adot ...

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  8. Let R be the relation ''is divisor of'' from the set A{1,2,3} to B= [4...

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  9. If A={1,3,5}a n d\ B={2,4} list the elements of R ,\ if\ R={(x , y): x...

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  10. Let R = {(x,y): x, y in Z, y = 2x-4]. If (p,-2) and [4, q^(2))in R, th...

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  11. If R={(x , y): x , y in Z ,\ x^2+y^2lt=4} is a relation defined on th...

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  12. A function f is defined by f(x)" "=" "2x" "" "5 . Write down the value...

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  13. Write the range of the function f (x) = cos [x], where -pi/2< x < pi/2

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  14. Find the domain and range of each of the following real valued func...

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  15. Write of the domain and range of f(x)=sqrt(x-[x])dot

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  16. Let f and g be real functions, defined by f(x)=sqrt(x-1)andg(x)=sqrt(x...

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  17. Let fg: R to R be defined respectively by f(x) = x+1, g(x) = 2x-3. Fin...

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  18. Find the domain of f(x)=1/(sqrt(x-|x|))

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  19. Find the range of f(x) = e^(x-[x]), x in R

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  20. If f and g are real fucntions defined by f(x)=x^(2)+7 and g (x) 3x+5 ...

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