Returning result from a task and passing state

ReturnResultFromTask.cs

int number = 10;

//Using task factory + Setting Task State + Returning Result
Task<int> T1 = Task.Factory.StartNew<int>(obj =>
{
    int num = (int)obj;
    return num * num;
}, number);
Console.WriteLine("T1 Task Result" + T1.Result);


//Return Result of a Task with anonymous method and passing state
Task<int> T2 = new Task<int>(obj =>
{
    int num = (int)obj;
    return num * num;
}, number);
T2.Start();
Console.WriteLine("T2 Task Result=" + T2.Result);