Recent content by KRiBaH

  1. K

    How to solve a double incognite equation?

    So that means that x or y cant have an exact number because it can be any number, like it cant be x=2, it must be like x € (-infinite,infinite) like the inequations is that what you mean?
  2. K

    How to solve a double incognite equation?

    Hello! Im new here! And i really like this site! So heres is my problem: Well i know how to solve a simple equation with 2 incognites like: x+y=2 x+4=2y So in this case i do a substitue y=x-2 and use it in the second equation and it would be like: x+4=2(x-2) But the problem is...
  3. K

    A basic question about complex numbers

    What do you mean? Isn't much easier to make a sqrt of (-1)2+(31/2)2i?
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