Adaptive control Astrom exercise problem 2.14

Hello All,
can anyone help in solving exercise problem 2.14 in Astrom K J, I could not understand what are the covariance of v(t) and e(t).
Any help in this regard will be highly appreciated.
Regards, Rajath
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Rajath, maybe you could try to present problem in excercise here. That way, someone else who don't have the book might help you. Regards
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