plz help DSE 2016 ques

[Rajesh]

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[Rajesh]

i am getting ans as Var(Z)= 2. Var(X^2)..

[Rajesh]

Anyone please?

[Halflife]

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[Rajesh]

ohkk, i was just making such an easy ques. too tricky..thankyou Halflife:)

[Halflife]

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