Including the angularJs in ascx file

Question

<div class="form-group" data-ng-app="myapp">

<div data-ng-controller="myCntrl">

<input type="text" data-ng-model="a" />

<input type="text" data-ng-model="b" />

<h1>{{a+b}}</h1>

</div>

 

The above code is for  adding two numbers am trying to put in ascx file Is it the correct way please give the answer