(A) Two LTI sub-systems with individual impulse responses h1[n] and h2[n] are given below: h1[n] = [2, 2, -10, 7, 25], -3sns1 h2[n] = [-2, 0, 0, 8, 0, 6), Osns5 1- Test the causality and stability of...

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Extracted text: (A) Two LTI sub-systems with individual impulse responses h1[n] and h2[n] are given below: h1[n] = [2, 2, -10, 7, 25], -3sns1 h2[n] = [-2, 0, 0, 8, 0, 6), Osns5 1- Test the causality and stability of h1[n] only. 2- Connect the two sub-systems in parallel, then find the overall (total) impulse response. Hint: Use the convolution property to decide the process between h1[n] and h2[n].