Maths-
General
Easy

Question

r is the radius of a circle whose centre is the origin. If the circle does not intersect the hyperbola xy=1, then the range of r is the interval

  1. (0,1)

  2. left parenthesis 0 comma square root of 2 right parenthesis
  3. open parentheses 0 comma fraction numerator 1 over denominator square root of 2 end fraction close parentheses
  4. (0,2)

The correct answer is: left parenthesis 0 comma square root of 2 right parenthesis


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