Given XXX and YYY are independent, which of the following is true about Var(X−Y)Var(X - Y)Var(X−Y)?
Var(X)−Var(Y)Var(X) - Var(Y)Var(X)−Var(Y)
Var(X)+Var(Y)Var(X) + Var(Y)Var(X)+Var(Y)
0
∣Var(X)−Var(Y)∣|Var(X) - Var(Y)|∣Var(X)−Var(Y)∣