In the following, pick out the linear systems. (i)d2y(t)+ a1dy(t)+ a2y – McqOptions

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1.

In the following, pick out the linear systems.
(i) d²y(t) + a₁ dy(t) + a₂y(t) = u(t)
dt² dt

(ii) y dy(t) + a₁y(t) = a₂u(t)
dt

(iii) 2 d²y + t dy + t²y(t) =5
dt² dt

A.

(i) and (ii)

B.

(i) only

C.

(i) and (iii)

D.

(ii) and (iii)

Answer» D. (ii) and (iii)

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