x and y are real numbers . If xRy hArr x...

x and y are real numbers . If `xRy hArr x - y +sqrt5` is on irrational number then R is ......... Relation .

Reflexive

Symmetric

Transitive

None of these

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KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -Textbook based MCQs

If a set A has m elements and a set B has n elements then the number o...
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A relation R on a finite set having n elements is reflexive. If R has ...
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x and y are real numbers . If xRy hArr x - y +sqrt5 is on irrational ...
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A = {1,2,3,4} . A relation R is A is given by F = {(2,2),(3,3),(4,4),...
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A relation R is form set A to B , and a relation S is from set B to C ...
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Relation R = {(4,5),(1,4),(4,6),(7,6),(3,7)} then R^(-1)OR = .......
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Which of the graphs is not a graph of functions ?
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If f(1) = 1, f(n+1)= 2f (n) + 1, n ge 1 then f(n) = .........
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A function y = f(x) satisfies the condition f(x+(1)/x) =x^(2)+1/(x^2)(...
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If f(x+ay,x -ay) = axy then f(x,y) = ......
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For function f(x) = (alpha x)/(x+1) , x ne -1 if fof(x) = x then alph...
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For real valued functions f and g, f(x) = 2sin (pi/x) and g(x) = sqrtx...
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The domain of the real value function f(x) = sqrt(5-4x-x^(2))+x^(2)log...
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The domian of sin^(-1)[log(3)(x/3)] is .......
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Range of the function f(x)= (x^(2) + x + 2)/(x^(2) + x + 1) is……
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If g(x) =x^(2)+x-2 and 1/(2) (gof) (x) =2x^(2)-5x+2 then f(X) =..........
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g(x) = 1 + sqrt(x) and f(g(x)) =3 +2sqrtx+x then f(x) = ......
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If real function f(x) =(x+1)^(2) and g(x) =x^(2) +1 then (fog) (-3) = ...
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f(x) = cot^(-1)x: R^(+) rarr (0,pi) and g(x) = 2x-x^(2): R rarrR then ...
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The domian of f is [-5,7] and g(x) = |2x+5| then the domian of (fog) (...
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