Jquery hide not working in my asp.net 4.0 app

Jquery hide not working in my asp.net 4.0 app

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="JQexp2.aspx.cs" Inherits="JQexp2" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script src="Scripts/jquery-1.7.2.js"></script>
    <script src="Scripts/jquery-1.7.2.min.js"></script>

    <script>
        $(document).ready(function () {
            $("#hide").click(function () {
               
                $("p").hide();
               
            });
           
        });
</script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   <p style="display:block;"> If you click on the "Hide" button, I will disappear.</p>
<button id="hide">Hide</button>
<button id="show">Show</button>
    </div>
    </form>
</body>
</html>


When i Run this it would not hidden...please find the answer..