What_is_the_impulse_response_of_the_system_described_by_the_second_ord – McqOptions

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1.	What_is_the_impulse_response_of_the_system_described_by_the_second_order_difference_equation_y(n)-3y(n-1)-4y(n-2)=x(n)+2x(n-1)?$
A.	[-1/5 (-1)<sup>n</sup>-6/5 (4)<sup>n</sup>]u(n)
B.	[1/5 (-1)<sup>n</sup> ‚Äö√Ñ√∂‚àö√ë‚àö¬® 6/5 (4)<sup>n</sup>]u(n)
C.	[ 1/5 (-1)<sup>n</sup>+ 6/5 (4)<sup>n</sup>]u(n)
D.	[- 1/5 (-1)<sup>n</sup>+ 6/5 (4)<sup>n</sup>]u(n)
Answer» E.

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