![Consider the discrete time system given by the difference equation y[n] + ky[n – 1] - áy[n – 2] = 2v[n] + v[n – 1). Suppose t](http://img.homeworklib.com/questions/2a0d9ab0-0387-11eb-b2a0-9d07fd4218a0.png?x-oss-process=image/resize,w_560)
Answers
![② km) = cos(Ah - II 2v(l]- vol = 2.cos 2.cos ( 11-) - L.cos(-) 6 -1.876](http://img.homeworklib.com/questions/77109380-0387-11eb-8c60-4721bbce4f5c.png?x-oss-process=image/resize,w_560)
From verification of all options we did not get the vlalue -1.587.
So none of the above options is the answer.
We were unable to transcribe this image
Hence, we obtained result as 2011) + SVTO) - 1.587 Now, we have to verify the options that give above result 0 ven) = 1/coscan- ev (18+ viola 2. h.cos(TT-IN) + ŚW.cos(-ai) r3.175 +0.2646 =-2.9104 V(n= I cos (In- !!) 28612+ + 2 vro) = 216 cos ( 7 2 - 1) +2 1. cos (-17) +0.2646 = 3.93 6 vina = | cos(th) 24111+ tro] 2. 4. cos (17) f1 6.
1 o. coso 36 = -3.36 v[n] = cos(m) 21010+ VCO) = 2.605 +4.colo = -2 + 1/6 -1.833
② km) = cos(Ah - II 2v(l]- vol = 2.cos 2.cos ( 11-) - L.cos(-) 6 -1.876
.
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