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#1 Re: Help Me ! » help me! Q=D={x|x is an integer such that x^2=2) » 2014-05-09 23:02:54

Agnishom wrote:

The set is

Welcome to the forum;

What is your favorite color?

thanks!my next question,if

A={1}
D={∅}

then A∩D?


sorry for asking simple question like this , favorite color?blue!

#2 Re: Help Me ! » help me! Q=D={x|x is an integer such that x^2=2) » 2014-05-09 22:51:59

zetafunc. wrote:
caspertts wrote:

if I √2,  I will not get the value of x in integer isn't?

So what can you say about the set, D?

containt no element?

#3 Help Me ! » help me! Q=D={x|x is an integer such that x^2=2) » 2014-05-09 22:36:07

caspertts
Replies: 36

first of all, hello I'm new here and I'm not good in math so I decided to join this forum,hope we can help each other!

this is the question that I don't know the answer

D={x|x is an integer such that x^2=2)
list the elements of D


if I √2,  I will not get the value of x in integer isn't?

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