Friday 24 January 2014

Q1 Give the geometric representation of R x {2}.

Hello!


Your question is very short and I might misunderstand it. I think you mean a Cartesian product of the set of all real numbers `RR` and the set consisting of one element, the number 2.


It is, by the definition of a Cartesian product, is the set of all pairs (x, 2) where x is any real number (`x in RR` ) and 2... is 2.


Such a set of pairs of numbers may...

Hello!


Your question is very short and I might misunderstand it. I think you mean a Cartesian product of the set of all real numbers `RR` and the set consisting of one element, the number 2.


It is, by the definition of a Cartesian product, is the set of all pairs (x, 2) where x is any real number (`x in RR` ) and 2... is 2.


Such a set of pairs of numbers may be represented geometrically on a plane (coordinate plane). It is the set of all pairs (x, y) where y=2 and x is arbitrary.


Because there are no restrictions on x, the only restriction is y=2. This is the equation of the straight line which is parallel to the x-axis and goes through the point (0, 2). This is the answer.

2 comments:

  1. (c) Give geometric representation for followings: (4 Marks)
    i) R x { 2, -4}
    ii) {5, 5) x ( -2, -2)

    ReplyDelete
  2. Unknown bro lemme know if you got the answer for this....XD

    ReplyDelete

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